Aina took care of a man crouching near his home who had a heat stroke. The man's name is Kamiya, and when he finds out that Aina is an employee of the welfare office, he confesses that he is unemployed and asks for help. Aina, who has always been a caring person, can't leave her alone and asks for advice, but Kamiya, who misinterprets the kindness he's touched in a long time as a kindness to himself, unexpectedly develops lust for Aina...