SDMF-042 My middle school dropout sister, who has been living as a hikikomori in a filthy room for 7 years, had her first sexual experience with me while I was asleep. After that, she continued to use me for sex without any protection. I know about this.

Film Introduction

After seven years, I returned home to find that I have a sister five years younger than me. Since middle school, she has been a shut-in, didn't advance to ● school, and lives as a NEET, with no boyfriend, completely absorbed in games and anime. I think her desire for affirmation might be connected to her nocturnal emissions. As her brother, what should I do…