Yui interrupts Hachiman while having lunch outside at his favorite spot and excitedly tells him about her growing relationship with Yukino. During the following gym class, Saika Totsuka practices tennis with Hachiman and eventually asks him to join the tennis club. Hachiman then asks Yukino for her opinion on the offer during the next Service Club meeting. However, Saika arrives and requests that they help him practice tennis for the next few days. While the group practices one lunchtime, Yumiko and her group demand to use the tennis court and ignore the fact that Saika has permission to use it...