Hey Sensei, Don't You Know?
Episode 4
S1 E4:
Hana's assistants Makoto and Koinuma suspected Hana had a boyfriend. Though they walked out of such astonishment, Koinuma began to go after Hana as he had been secretly admiring her before. On the other hand, Riichi came to Hana's place and found about her newly finished manuscript. Believing she was drawing about him and her, Riichi felt his emotion for Hana becoming deeper.