A PTA Mom (43) Who Relieves Her Frustration By Having A Secret One-hour Karaoke Affair Once A Week With Her Eldest Son’s Young Homeroom Teacher, Mariko Furuto. 長男の担任の若手教師と週一、1時間のカラオケ密会不倫で欲求不満を解消する絶倫PTAママ(43) 古東まりこ