Takamura-sensei confesses to his student, Rin, believing that a physical relationship without emotional attachment is enough. He thinks it is fine if their hearts are not connected, and Rin accepts this arrangement.
However, after several sexual encounters, Takamura begins to crave more than just Rin's body. He starts to desire Rin's heart and a genuine emotional connection. The question remains whether Rin will open up and accept Takamura's feelings.
