you know how in episode 8, Langa's mom thought Langa was talking about having a crush on someone when he was talking about his situation with Reki? imagine the opposite happening when he talks about Ainosuke and his mom thinks he is talking about a friend and doesn't +

realize Langa is actually asking for romantic advice and Nanako ends up actually giving good advice.

Langa: I want to be closer to him. Get to know him better.

Nanako, thinking he is talking about some classmate he wants to be friends with: Why don't you invite him to our house to hang out?

Nanako: [arrives home from work the next day and finds Ainosuke in their living room]