A short film made by Eiji's friend starring Rin ends up drawing attention from a talent agency. On the verge of graduating, the time has come for her to make a big decision.

The number of characters Rin plays in front of Eiji keeps increasing. When it is revealed that Rin has a younger sister, she plays a little sister character. During the cultural festival, strange characters also begin to emerge.

Rehearsals are in full swing, and Rin now has her own juniors. But can she get closer to her own senior?

It's all fun and games at drama club until a bit of unexpected weather on the way home sends Rin to Eiji's house to meet his mother...

Eiji meets Rin's younger sister Ayaka, who sheds some interesting new insights about her big sister right before summer vacation begins.

The cultural festival is approaching, and Eiji needs to perfect the stage design so that Rin can give her all in the lead role!