Yuki is a female college student working part-time as a dispatched tutor. She is sent to a father-son household with a hikkikomori older brother and a ● school younger brother. One day, a student confides in her that they like the teacher and can't concentrate on studying, then pressures her into giving oral sex. This is witnessed by her hikkikomori older brother, who threatens to expose her and forces her into sex, even taking photos…
