OBA-292 I get gangbanged by my son's classmates every day. Mio Morishita

It's been a year since Mio's husband left home for work. She lives with her son, Yuichi. Yuichi is good at studying and growing up healthy, but Mio is somewhat worried that his classmates are bad-tempered and might go astray. Then, one day, she sees Yuichi with the same classmates. Mio frantically pulls Yuichi away, but it's too late, not realizing that her actions will instill certain feelings in the classmates...