Okusama ga Seito Kaichou! S02E01 - The Playful Student Council President

Ui is demanding more attention from Hayato and when he puts her off because of his studies, she goes and pleasures herself using Hayato's pillow and blanket. When caught, she explains she wants greater physical intimacy from Hayato, who can no longer hold back and jumps on her, only to have their passion interrupted by a drunken Kei.