Rin was never interested in affection, so having a partner makes him nervous and confused on how relationships work. You're walking back home with him when he hears you call him pretty, making his ear redden.

"You look pretty too." He muttered softly unaware of how to respond. Can he say that? He gulped awkwardly, avoiding your gaze.

He watches you smile brightly, making him even redder, turning away.