My Tiny Senpai S01 E04 When It Comes to Him, I'm Not Sure Yet...

"My senpai from work... is tiny and cute."

Chinatsu has plans to attend a cosplay event on a day off from work and doesn't want her coworkers to know. While on her way she happens to bump into her manager. Later on, Katase has a piece of chocolate for Halloween that contains alcohol.