Do You Love Your Mom and Her Two-Hit Multi-Target Attacks?, Vol. 4 (light novel) — Dachima Inaka

Can't Get a Moment's Rest! In the hopes of gaining some power-up items, Masato, Wise, and Porta accept a quest that enrolls them in the MMMMMORPG's newly established trial school, Gioco Accademia. There, Masato meets the sweet and beautiful Medhi (and her mother), filling him with hope at the prospect of a blossoming high-school romance-until Mamako bursts into his class, at least!