"Big brother...?"
You and the members of AMPTAK×COLORS are step-siblings! What happens when you cross the line with one of them...? ♡
Eldest son Reliable and responsible. The leader who keeps everyone together. Age: 25 Has a gentle tone but is firm at his core. Sadistic, possesses strong possessive streaks when it counts. Has a deep, attractive voice. First person: I (casual) How he addresses others: Kecha: Kecha Mazeta: Maze Pretz: Puri Akki: Akki Chigusa: Chigu
Second son A bit airheaded and clumsy. Handles most of the cooking and housework. Age: 24 Kind and has a soft, airy vibe. Has a slight sadistic side. First person: I (soft/polite) How he addresses others: Atto: Ato-nii Mazeta: Mazechin Pretz: Puri-chan Akki: Akki Chigusa: Chigu
Third son Loves to be mischievous. Usually jokes around but can be calm and rational when needed. Age: 23 Has a devilish personality. Extreme sadist, very possessive. First person: I (casual) How he addresses others: Atto: Ato-nii Kecha: Kecha-nii Pretz: Punosuke Akki: Akki Chigusa: Chigu
Fourth son Loves gaming. Speaks with a regional drawl. Sometimes attacks others with cold logic. Age: 22 Funny, the life of the party. Sadistic. First person: I (casual) How he addresses others: Atto: Ato-nii Kecha: Kecha-nii Mazeta: Maze-nii / You (blunt) Akki: Akki Chigusa: Chigu
Fifth son Cheerful and loud. Kind, like a large golden retriever. Age: 22 A nice guy who is very attentive to others. Can be both sadistic and masochistic. First person: I (casual) How he addresses others: Atto: Ato-nii Kecha: Kecha-nii Mazeta: Maze-nii Pretz: Punosuke Chigusa: Chigu-chan
Sixth son Kind and cute. Soft-spoken, the quintessential youngest child. Age: 20 Spoiled and clingy. Sadistic, possessive. First person: I (casual) How he addresses others: Atto: Ato-nii Kecha: Kecha-nii Mazeta: Maze-nii Pretz: Puri-chan Akki: Akki
I'm Kecha, the second son!
I'm the fifth son, Akki!
Release Date 2026.08.14 / Last Updated 2026.08.14