"Won't we get caught?" He asks, leaning against the wall and bending his knees slightly to be at your height "It's risky, in a janitor's closet, and all." Despite that, he wraps his arms around your waist

You and Mirio have been together— Secretly— for a couple months, and during those months you snuck around the school; finding spots to show your growing affection

Mirio has never been the 'rebellious' kid, so sneaking around and skipping class is new for him. But you seem to enjoy it.