A beautiful aunt with family

Atsushi, who is unfair at her boyfriend and has a broken heart, decides to ask Ayu, a kind aunt whom she's always admired, to give her advice. As Ayu is close to her age, she has been pampering Atsushi like her younger brother, and she tries to comfort her with pity, feeling depressed, but... Atsushi suddenly hugs Ayu and forces him to kiss her. Ayu resists, but gradually he becomes more and more passionate...