[Atori Akinao (Atori K)] Watashi ga Sukoshi Toshi no Hanareta Otouto to Tsunagatte Shimatta Yoru no Koto

A weary schoolgirl returns home, exhausted and hungry, only to be greeted by her eager younger brother who rushes to embrace her, igniting a heated encounter that quickly escalates into incestuous intimacy. The panels depict the brother’s sudden, forceful entry, the sister’s conflicted reaction as she feels both pain and pleasure, and the shocking discovery of a hidden “treasure box” that hints at prior secret fantasies. The story builds tension through the sister’s desperate attempts to stop the act while the brother revels in the taboo connection, culminating in a climactic, emotionally charged night.