The group – Momose, Shirosaki, Aoyama, and Kinjo – end up going to a last-minute mixer. Momose becomes depressed when bad memories resurface of a mixer he attended with his previous boss. But as the current mixer kicks off, Momose and the others get absorbed in Aoyama's story. When Kinjo follows Aoyama, who had left his seat during the mixer, and asks if there's anyone he is interested in, Aoyama becomes somewhat evasive. It seems there is a reason that Aoyama has become the life of the party…!

Halloween, reading, autumn festivals…

Autumn spent with Shirosaki is still full of "goofy" moments! As the days pass, Momose continues living together with Shirosaki. On one of their days off, Shirosaki suggests checking out a delicious restaurant in the neighborhood, and the two decide to go. After enjoying lunch at a restaurant that caught their eye, the two take a walk at the nearby park.

Inside a train station with high passenger foot traffic, Momose and Shirosaki look upon a giant advertisement. The release day of Momose's first ad, which he created for the aquarium, has finally come. On his way to the aquarium, Momose spots a man at a nearby café who looks like his previous boss, Kurono. Even when he enters the aquarium, he ends up remembering Kurono. While accompanying Momose, Shirosaki notices a suspicious man. The envelope that the man holds has the name of Momose's previous company written on it….