Beyond this point contains HEAVY SPOILERS! Please proceed at your own RISK.
Koyume brings everyone to the beach, only to find the others seem more interested in practising their drawing than playing in the sea, although they are eventually convinced to have fun. Afterwards, Ruko goes clothes shopping with Koyume, quickly picking up on her crush on Tsubasa and suggesting they go on a date to an amusement park together. While not being able to confess, Koyume does receive some comfort from Tsubasa over her concerns that she is falling behind everyone.