The female student who plays chess is proud and doesn't want to lose to others. She succumbs to the demands of a middle-aged man's penis and becomes a sex toy with a sexual addiction. (Kinoshita Aoi MKON-063)

Kinoshita Himawari is my girlfriend and the granddaughter of a famous shogi player. Despite her young age, she possesses the strength of a female shogi player recognized by the league. In her school club match, she declared herself to be only a student, only capable of playing at a student level, and lost to the club's advisor, Mr. Haume. Unwilling to accept defeat, she demanded a rematch, and Mr. Haume suggested they play at his house that evening...