Fuzzy Lips(2014)

Fuzzy Lips is an adult anime series following Katakura Kon, a disaffected student who enters a forbidden relationship with her homeroom teacher, Mr. Kurosawa. As she abandons her classes to live with him, their connection remains unspoken—neither can articulate their feelings beyond physical intimacy. Frustration builds between them as they struggle to communicate or truly connect outside of their steamy encounters. Based on the manga by Inu, the series explores the tension and emotional distance that persists even as their relationship deepens, examining how two people can be physically close yet emotionally distant.