MIAA-485 Since that day... it's been ten years since I started handling my brother's sexual needs. A growth record of 【incestuous brother-sister relations】 in a shut-in's garbage-filled room. Hanakari Mai

[More than a younger sister...always a friend...less than a lover] For 10 years, I continued to sexually process my brother who was withdrawn, and I couldn't tell anyone. "It's not disgusting...you're my hero." One day, she found out that she accidentally saw a morning erection, and she was forced to say, "Hey, please squeeze me with your hands," and she couldn't refuse. From there, her demands escalate and the moment she crosses the line... the dirty room becomes a secret base for the two...