Takanashi and Hiwatari open up to each other and are finally able to move their relationship to the next step. But just when everything seems to be going well, the two must confront yet another obstacle: their age gap! The closer the two grow, the deeper their misunderstandings grow. Can Takanashi come to terms with the fact that... he's "old"?! And is Hiwatari ready to grow into a new role of his own...