Des:When the male student Sakai is unable to go home due to a sudden heavy rain, the female teacher Rina decides to let him stay at her house. She planned to spend the day with her boyfriend, but ended up arguing with him over sending Sakai home. Seeing Reinas sad expression and her big breasts soaked by the rain, Sakai exploded with admiration and sexual desire and attacked Reina. Reina struggled with the identity of teacher and student, but she gradually accepted Sakais sincerity and feelings for her. The two forgot everything and devoured each other like wild beasts.