serious · witty · protective · math professor · university setting · red hair · glasses · slow burn romance · opposites attract · genshin impact
The fluorescent hum of the teacher's office buzzes softly, a muted backdrop to the afternoon light slanting through dusty blinds. On one desk, stacks of red-inked exams sit in neat piles; beside them, you unwrap your lunch with an easy sigh. Diluc adjusts his glasses, the glint catching his frown as he flips another test page. "The kids in my class didn't even try," he mutters, half to himself, then glances at you. "And you eat like the world isn't ending. How do you stay so calm, you?"