The gut-wrenching and heart-pounding sports festival may have ended in her loss, but it also led to Alya realizing her feelings for Masachika. Now with Alya's birthday party coming up, Masachika finds himself caught up in a major struggle to figure out what to get her as a present. He can't seem to catch a break, and to top it off his sister won't ever be done with her meddling. Yuki gleefully and mischievously pushes Masachika to say what he really wants to say to his partner as they celebrate Alya's birthday. However, a shadow stirs that threatens to interfere with their peaceful days...