"Hey, did you know?" Popular Character "Mameshiba" Collaborates with Bol Koi - 62 Characters from 4 Titles Appear as "Mameshiba"! Starting Sequentially from Wednesday, April 1st

Voltage Co., Ltd. (Headquarters: Shibuya-ku, Tokyo; Representative Director: Yuji Tsutani) will sequentially implement a collaboration project with the popular character "Mameshiba" across four of its "Bol Koi" apps, starting from Wednesday, April 1, 2026.

Four titles will participate in this collaboration: "Bakumatsu Ishin Ten Kakeru Koi," "Makai Ouji to Miwaku no Nightmare," "Ayakashi Koimeguri," and "Anidol Colors." Through this collaboration with "Mameshiba," famous for its phrase "Hey, did you know?", a total of 62 characters will appear as "Mameshiba," transcending the boundaries of their original works. In addition to the release of collaboration-exclusive anime featuring a豪華 voice cast and the sale of original merchandise, various in-app initiatives are planned, such as the distribution of collaboration commemorative stories and gachas where limited avatars can be obtained.

Don't miss this opportunity to enjoy the special collaboration between "Bol Koi" and "Mameshiba."

*"Bol Koi" is a general term for Voltage's romance drama series that provides healing and enjoyment to women living in modern times. You can choose your preferred situation and handsome character to experience an ideal romance story where you are the protagonist.

"Bol Koi" x "Mameshiba" Collaboration Special Site https://products.voltage.co.jp/mame-shiba-collaboration/

Participating Collaboration Titles and Periods

"Bolshiba," the Bol Koi x Mameshiba Collaboration Exclusive Anime, to be Distributed! The distribution of "Bolshiba," the Bol Koi x Mameshiba collaboration anime, has been decided! A total of 5 episodes will be distributed every Wednesday. Please enjoy the special stories that can only be seen here, featuring characters transformed into Mameshiba. Furthermore, by logging into each collaborating app on the distribution day of "Bolshiba," you will receive special bonuses. Please enjoy the world of the collaboration to the fullest both in the anime and in the apps.

<Featuring a豪華 Cast!>

Introducing the "Bakumatsu Ishin Ten Kakeru Koi" Collaboration Project!

Project ①: Collaboration Exclusive Story Distribution To commemorate this collaboration, a limited story for "Bakumatsu Ishin Ten Kakeru Koi" (hereinafter "Bakuten") will be distributed! On a peaceful spring afternoon, who visited the tailor? It was them, transformed into Mameshiba!? What is the mysterious power behind this commotion── Don't miss this special mini-story that can only be read here! [Implementation Period] April 1 (Wed) 00:00 - April 24 (Fri) 23:59

Project ②: Collaboration Commemorative Login Bonus Implementation To commemorate this collaboration, a login bonus will be implemented. During the period, by logging into the app and accessing My Page, you will receive various items and wallpapers to further enjoy "Bakuten"! Please log in every day to receive your items. [Implementation Period] April 1 (Wed) 00:00 - April 24 (Fri) 23:59

Project ③: Collaboration Exclusive In-App Event "Mamechishiki Gallery" Held To commemorate this collaboration, a special event "Mamechishiki Gallery" will be held, where you can enjoy the "trivia" of the characters from "Bakuten"! By playing the app and collecting "Mameshiba Power" to give to him, your trivia level will increase, and various trivia about the characters will be unlocked. Please enjoy this special content that can only be seen here. Furthermore, depending on the amount of "Mameshiba Power" you give, you can acquire various benefits such as collaboration commemorative titles and wallpapers. These are limited-time benefits, so don't miss out! [Period to acquire Mameshiba Power] April 9 (Thu) 12:00 - April 23 (Thu) 23:59 *Gacha only: Available from April 1 (Wed) 00:00 [Period to give Mameshiba Power] April 9 (Thu) 12:00 - April 24 (Fri) 23:59

Project ④: Collaboration My Boyfriend Set Sale To commemorate this collaboration, a special My Boyfriend Set is now available! We have prepared a limited set that includes a collaboration commemorative title and My Boyfriend costumes for characters transformed into Mameshiba. Please fully enjoy the "Mameshiba" collaboration even on your My Page. [Sales Period] April 1 (Wed) 00:00 - April 24 (Fri) 23:59

Project ⑤: Collaboration Commemorative Gacha Implementation To commemorate this collaboration, three types of limited gachas will be implemented.

<Bakuten x Mameshiba Collaboration! My Beloved Becomes Mameshiba!? Collection> Your beloved character unexpectedly appears as a "Mameshiba"! Get special avatars that can only be obtained here and fully enjoy their adorable appearance. [Holding Period] April 1 (Wed) 00:00 - April 24 (Fri) 23:59

<Bakuten x Mameshiba Collaboration! Chibi Character Collection> Cute limited avatars featuring chibi characters paired with Mameshiba are now available! This is a special collection that you'll want to collect and enjoy displaying together. [Holding Period] April 4 (Sat) 12:00 - April 24 (Fri) 23:59

<Bakuten x Mameshiba Collaboration! Commemorative Outfit Collection> Mameshiba-themed outfits and backgrounds are now available! Enjoy dressing up your avatar with special collaboration-exclusive coordinates. [Holding Period] April 9 (Thu) 12:00 - April 24 (Fri) 23:59