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Miss Detective's Undercover

City's infamous gentleman of the night, Mystic Thief X!
And the detective who was stolen her first kiss!
Among the 3 suspects, who is the Mystic Thief who stole her first kiss?

I like you lots and lots!!
Sickly romanticist boy, 「Jeremy」

Are you the one, my Contractor. of. Darkness.?
A Twelvie eye patched guy, 「Sean」

Not an Otaku,
A perfect(?) Student President 「Walter」

And
My dear detective,
「Mystic Thief X」, who sends forenotice only to me!!

Miss Detective,
can you catch the Mystic Thief X,
unlike the words by nagging assistant 「Martin」?

The culprit, Mystic Thief X, is among us!!
Miss Detective's Undercover!

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requests permissions to provide service.

-In-app purchase (Required): Used for in-app purchase.
-ID (Required): To log in to the game through Google or Facebook account.

-Contacts (Required): Prevents abusing of event participation, and receiving duplicate rewards.

-Phone (Required): Identify user's device and/or display appropriate events for users.

-Wi-Fi Status (Required): Checks internet connection for data download.

-Photos/Media/Files (Required): Saves game resources on device.

-Storage Space (Required): Saves game play data.

-Device ID and/or Call Info (Required): Receive Push Message.

***
How to remove permission.
- Android 6.0 and above : Settings > Apps > Select app > Permissions > Select to allow or remove permissions.
- Under Android 6.0 : Due to the characteristic of the operating system, you can remove permission by deleting the app.

***
You can purchase in-app products.
('Consumer Protection Laws Under E-commerce' may restrict the withdrawal of applications.)

***
This game requires additional data download on first play after installation.
This process requires stable internet connection. We recommend connecting to Wi-Fi.
In case of unstable internet or connection loss, an error may occur during download and the app may not run properly.

***
If you have any inquiries, please send us an E-mail with your phone device model name and detailed information of your problem through following address: [email protected]

Terms of Service & Privacy Policy : http://admin.becomead.com/provision/provision.php?lang=en
Website : www.day7games.com
Developer : 82-10-4182-2221

Category : Simulation

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Reviews (27)

Rhe. J. O. Sep 10, 2020     

Perhaps there's a puzzle to activate the "Investigate" button haha 😂. Anyway it just doesn't work in my phone. Just like most of pips in here, the opening of the app works but when the buttons for the real game comes it just doesn't work. Clicking once and even multiple times still nothing happens. It was like a wallpaper to me 😭. But well I'd say the drawings is dramatically awesome!💖 Keep it up and great job. But wish many could play it tho.

Meg. J. May 19, 2020     

This is by far my favourite thing rn! And as for those saying you have to buy to win, that's only half true. I did an offer through TapJoy on here and made enough with that to buy all the clothes! I've only finished two routes so far, but everything seems to be working out. I did hear tho, that you have to get this special outfit for one of the guys to be able to receive his ending. It's the only one that you can't buy with coins, and happens to be roughlt ten bucks. 🧡

Dre. Apr 19, 2020     

Well its great and all, but I think the prices are too high or just gaining coins is very slow in progress and some of the grammars are wrong but still enjoyable. Atleast slightly lower the price because its really hard to earn money which makes the gameplay quite difficult to continue on.

Voi. Aug 1, 2020     

This is my second time downloading it. The story was pretty good. Btw for people who dont want to spend money to play.........this game is one of them.But i wish we could earn coins easily.I had to stay pending for a month to complete just one route becahse u have to purchase an outfit if u want to finish an ending. But the overall was pretty good i really love the illustrations.Btw i even recommend "Sleeping delivery" .Similar but i love the illustrations more😉.

Lun. 6. May 8, 2020     

The game seems like it'd be quite enjoyable however nearly everything costs real money or gold that you have to buy with real money. Yes there is the an option to make 1500 coins a day for ads BUT you'd have to wait 5 days to get enough money for the first upgrade that gets you barely any charm points. And to make matter worse you CAN'T win without a highly upgraded outfit. Seriously this is just horrible. You can't win unless you wait 25 day to get enough money just to buy a pretty outfit? Dumb

kou. Mar 27, 2020     

I've played this game a really long time ago but I never got the chance to review it in the past. This was the first Day7 game i had ever played, and the plot had me hooked, weirdly enough. I was intrigued, the characters were great, the art was absolutely beautiful and overall it was such a nice experience. I started playing more of Day7's games after this, so far I'm still waiting for a new game to release so I can play that. Yall, devs, please keep up the amazing work! stay safe everyone 💕

Syl. R. May 14, 2020     

I'm someone who likes detective stories and otome games. This game seems to be a good one, but there'e a problem. I couldn't even play it. I download one time and oppened the app, but it didn't start. No matter where I tap and how I wait, It won't open. I've waited few hours, but it's not loading anything at all. Then, I deleted it and downloaded again- it was the same as earlier. I downloaded it to my sister's phone just to play, but can't even open the app. Please, fix it. I would gladly play.

Ivy. M. S. May 11, 2022     

Ads won't appear, can't earn coins.

hum. p. Jan 27, 2022     

I uninstalled. the dialogue is terribly stupid, and the story even dumber. you know since the beginning who the villain is, and he doesnt even really wear a disvuise. you just have to watch while the heroine is the dumbest person on planet Earth. its supposed to be funny, but i just couldnt get into it. sorry. really love day7 games in general, but this one was a miss for me.

Ren. T. Jun 27, 2020     

It is really good at the beginning, but i do wish that instead of having to download games to get coins, watch adds (which you can only do 5 times a day) or manually purchase the coins, that we could maybe earn a certain amount after reading each section that there is.

Gin. H. Feb 11, 2019     

I love this game very much. It takes a while to get through but overall a very good game. I love the way the characters are and how the routes are made. My only complaint is one how much time it takes for this game. Spending so much time on ads just to get outfits to do the date is a chore. But the story is pretty solid. One of my favorite games still to this day.

Mar. P. Jun 3, 2019     

the game itself is pretty creative and have a nice graphic. what i dont like is the music that keeps looping shorter and often out of place. the dialogue "look" fun but actually not. also this may just my preference but the clothing design is also bad. :(

Adi. G. Jun 16, 2020     

I cant say how the game was because I wasnt even able to get into the app! Every time I pressed on it I would get a banner that said "app stopped working". I already uninstalled the game and redownloaded it but it still didnt work. I have played other apps by the same makers and really enjoyed them and I was really excited to play this one. Please fix this asap!!

sab. P. May 31, 2020     

It seems like a really cute and incredibly interesting game. However it wont even let me open the app. It keeps telling me that it has stopped. I would love to give a fair review but that's simply impossible if the application wont even open in the first place. I do hope this is resolved cause I am interested in playing. ^-^

Sno. V. Nov 29, 2019     

Really good game! It saddens me that I finished this in just a whole day, I wish there was more! Anyway, I bought the gold package and it wasn't enough to buy all the outfits so I recommend doing the tap joy. I kinda regret spending £5 when I can just spend £1 to get almost 200k coins. Its actually well made! It made me intrigue, but tbh I kinda suspected him first when he showed up with mc lol. There were so much clues, but its just me I figured it out from the start. Not bad, wish its long

mie. e. Nov 24, 2020     

This is so so so good!! i highly recommend it! the mc is funny and so does the boys! each one of them having alot of likeable traits i cant even choice who i like the story is the best and enjoyable, the game started okay and there was no problem with it i don't know why it doesn't work with the others but it worked totally fine with me when i clicked the invistigation botton then it just started

Ses. P. Dec 30, 2020     

The graphics are amazing and the personality of each character is nice! I like the white haired boy's personality cuz he acts creepy. But if I liked it, why would I rate it only 2 stars? Well thats because this game is sort of a pay-2-play game or something. To get to the festival you have to gain loads of coins and to win you have to have a high charm which costs a lot of coins too. Either watch 5 ads (300 coins each) or buy... its still little tho bec the clothes and options are like 1000+

Pau. J. G. Dec 13, 2020     

This is one of the most beautiful plots I've ever seen in Otome Games. The turn of events is so surprising the game rides you to a whole road of emotions, very enjoyable, playing this game really brings you to a total emotional experience which I find very beautiful to have. Very romantic the endings are all great but specifically one- is very powerful. Great game!!!

see. Sep 30, 2019     

Fun to play. Loved it... All routes are fun. After reading the story can guess who is mystic thief X. Overall, I take 1 month to complete it. One of my favorite game, like to play even after completed again and again. Finally today it is completed.😍😍🥰🥰

Ex. p. Dec 22, 2019     

The art is beautiful but the outfits are expensive and there is no other way to get gold other than watching ads or a daily reward. It would be really helpful if you fix that problem.

Joy. L. Sep 23, 2019     

The story is so cute! Although, there were some cringey parts... i really enjoy reading about the mc's adventure. She's quite funny and her persona isn't what you would see in a typical otome game, which is what i like about this game. I have to say though...the outfits are a bit overpriced...

ant. s. May 20, 2020     

I thought I will like this game but in the first play it won't run. I click the "Investigate" button and all buttons but nothings happen, I'll wait for it but nothings happen honestly. I think you need to fix the bugs or something that damage the game.

Sar. Jul 1, 2020     

ummm...actually I would rate this app for 5 stars...but Whenever it starts to download the files it will only go for about 33% and go back to zero...The files that are being download was not yet finished and then it restarts then back to 0% I've restarted my phone..but same things happen...I never even get the chance to dowbload it's file even just one....

Kid. D. K. Sep 27, 2019     

It's wonderful! I just wish I could continue without paying ;-; . But that's ok, I'll just play some of your other games! They're really fun! Even if I can never get a great ending, it's still super entertaining to watch the plot unfold.

シMi. Apr 3, 2019     

this is the second Day7 game that I've finsihed and MAAAN. Did it take me tooo long to collect coins and get every route in happy ending but I must say, WORTH IT <3 Mystic Thief's X story is just too sweet and romantic, the ending also drove me to tears. Grammar is good, except on Jeremy's route who talks like a baby and has a text format speech which is annoying, Sean's grammar is annoying when he talks in his "twelvie" but seems okay when he talks normal. Still Mystic Thief is best route ^^

tra. Dec 30, 2019     

I liked the game, sadly you do need to pay to do a lot of the stuff and to get good endings, lucky I played a lot of other games to get coins for the game and I got to play everyones routes, I like Jeremy and Walter, I couldn't get through sean though and skipped a lot, just the way he spoke irritated me and I wasn't all that shocked when I found out who MTX was, I knew as soon as I saw him that they were the same person, anyway I recommended this game if you are very patient or willing to pay.

Mak. H. Mar 28, 2020     

Some of the translations are off, but otherwise, I think the art, story, and characters are amazing! Now that I've finished playing all the routes, I'm gonna miss Sean, oh boy.