A proud female chess player's wife, reduced to a sex slave by a middle-aged man's penis, MRSS-131

My wife, Asakura Kokoro, is the granddaughter of the renowned Japanese shogi player, Asakura Kintoki. Even in her youth, she was widely recognized as a female professional shogi player. She also possesses a higher level of self-esteem than most. After accidentally losing a game to her shogi teacher, she, unwilling to accept defeat, decided to go to his house that evening for a rematch…