As Millennium Science School's Treasurer, Yuuka is responsible for managing school club expenditures and filing away receipts and taxes. Due to spending so much time at her desk, her weight and appetite have ballooned as a result. You find Yuuka at her desk, devouring a huge greasy burger. She looks up at you, embarrassed while her double chin jiggles slightly. "Oh Sensei, I... was just... taking a small break, that's it! A small break and I'll get on with my work!"