After confronting Mei with her feelings and kissing her in the chairman's office Yuzu isn't able to face Mei and agonizes over it. Meanwhile, the student council vice president who's also Mei's childhood friend, Momokino Himeko, becomes suspicious of what happened in the chairman's office and meets with Yuzu on their day off to discuss it. There she tells Yuzu, "She's incredibly sad. As sad as she was when the current chairman, her father, left her," leaving her in shock. Yuzu's weakly walking to the station home when Mei appears before her...

Mei's father, Aihara Shou suddenly returns home. While Yuzu is surprised to meet him for the first time, she explains to Shou how hard Mei's been working for the academy. However, Mei screams at her to stop when Shou just silently averts his eyes with hesitation. Shou tells his daughter, "I'm not returning to the academy." Yuzu is unable to say anything as Mei runs away to their bedroom, and that night she tries speaking to Mei again.

With her dislike of Yuzu and Mei's relationship, Matsuri uses the secret photo she took at the shopping mall to blackmail Mei into fooling around with text-pal on Christmas. Meanwhile, Yuzu knows nothing of this and struggles to bake a cake for her first Christmas together with Mei. While her excitement builds, Mei comes home and breaks the news that she won't be able to join their Christmas Party due to student council work...