MUDR-122 Ever since that day... A school uniformed beautiful girl, Riko Sato, being bound and trained to ejaculate mid-session.

[A single trigger that causes the bond between parent and child to collapse] Riko, a bright and assertive girl raised in the downtown area, once lived a poor life with her father, who was a popular comedian. Despite the harsh environment, Riko grew up cheerfully due to her father's personality... However, amidst endless orgasms, incontinence, navel licking, internal ejaculation, bondage training, and candle torture..., the girl's anguished screams echo...