Yuga Ando

Colorblind, cat-lover, Mariya hires loner-hacker, Tomo, to help catch a killer of stray cats, and in the process falls in love.

Kei is a novelist with zero dating experience. Yet his next work is supposed to be a BL story!? Suddenly, his sharp-tongued, devilish stepbrother Kairi appears before him and everything changes.