MNGS-078 The shut-in younger brother (me) who was abandoned by his family has a gal sister who is too kind to me. If I call her, she comes right away to spoil me and has raw sex with me multiple times, becoming my dedicated flesh hole Spring Moka

It's okay, it's okay. If something bad happens, you can use me like a sex doll～』The gal Moka had returned home from college and had a problem. It was that her younger brother Kazuma, whom she had always doted on, had become a hikikomori―. Moka, who has been spoiling Kazuma since forever, tries to accept his anxieties and desires by becoming a 'brother-exclusive woman' who rushes over whenever he calls. She hugs him every day, affirms him completely like the Virgin Mary, and even gently accepts his desires. Eventually, the two's abnormal love turns into a twisted relationship...