Mean Sister's Male Pinch

A visual novel where Airi Uemura, a former delinquent working as an office lady, navigates her long-term relationship with her boyfriend Shingo while discovering unexpected desires. After a chance encounter with Shingo's younger brother Shinji, who accidentally witnesses an intimate moment between Airi and Shingo, Airi finds herself drawn to exploring her sadistic sexual preferences with Shinji. The game explores themes of infidelity, forbidden desire, and the satisfaction of long-suppressed sexual inclinations as Airi uses Shinji to fulfill the fantasies her primary relationship cannot provide. Multiple branching paths and endings reveal different outcomes based on player choices.