OBA-292 I'm being gang-raped every day by my son's classmates. Miou Morishita

It's been a year since my husband left home for a single job. Mio lives with her son Yuichi. Yuichi has done well in her studies and is growing up healthy, but Mio feels a little uneasy that her classmate is bad and Yuichi will go astray. One day... Yuichi witnesses her being with her classmates. Mio hurriedly pulled Yuichi away, but it was too late, and her actions would instill "a certain feeling" in her classmates...