Inshitsu Otaku ni Ikareru Kanojo, 음습 오타쿠에게 범해지는 여동생, 陰湿オタクにイカれる妹[彼女], Gekkage d’une fille pour les nuls
Inshitsu Otaku ni Ikareru Kanojo 2

After years of hidden desires, Shuji and Saki confess their forbidden love, surrendering to passion as their relationship blossoms into an intoxicating romance. But their bliss shatters when a mysterious stalker blackmails Saki with intimate photos, forcing her into degrading acts. As she spirals into dark obsession, Shuji fights to reclaim her—their bond tested by lust, control, and desperate need. Can their love endure the torment, or will desire consume them both?