Weakest Beast

Four people sit together at a bar named 5Tap; lovers Kyoya and Akira, accountant Kosei and Kureha, a newlywed; as they come together to celebrate Kureha's marriage, Akira reflects on her relationship with Kyoya and her own thoughts on marriage.

Akira's complaints lands her a promotion to Special Chief Creator, but she finds herself unable to voice her frustrations to Kyoya; Kosei's day takes a sharp turn when his uncle unexpectedly shows up at the office with news of his long-lost brother.

30-year-old Akira Shinkai always smiles and is perfect at work. She cares about those around her too much. 33-year-old Kosei Nemoto works as an accountant. He is friendly and popular among women.

Kureha catches Akira and Kosei in the middle of a kiss and Kosei uncovers a disturbing rumor about Kureha's marriage; Kyoya finds himself unable to tell Akira that he has moved out of his apartment.