1x3 - ReLIFE: Kanketsu-hen

Kaizaki, who is worried about the final exam, asks Okami to study with him. Okami seems to have invited Kariu to a Christmas date, and he asks Kaizaki, "Why don't you invite Hishiro?", but it was a complicated problem for Kaizaki. The next day, Hishiro avoids Kaizaki for some reason. When Kaizaki thought Hishiro was upset with him without knowing the reason, she suddenly asked him about his schedule for the 25th...