We've got to loosen things up!

S1, E3: One day after coming home from a busy day of modeling, Yayoi lazes about, saying she is tired from work, and demands a massage from Kazuto. With no choice but to comply, Kazuto begins to rub Yayoi's body, which is when he notices Yayoi start to get turned on...! As Kazuto continues to touch Yayoi's body, the massage takes an unexpected turn...