Banished from the Hero's Party, I Decided to Live a Quiet Life in the Countryside, Vol. 6 (manga) — Zappon

As Red and Rit's investigation into the mysterious False Prophet drug continues, the once-peaceful Zoltan is swept with unease. Violent incidents are becoming commonplace, and the entire region seems to be on the verge of an all-out class war! To make matters more complicated, Danan, martial artist and member of the Hero's party, has arrived to take Red back with him -- shaking Rit's resolve! But Red has more important things to worry about. With him and Rit growing closer by the day, he's finally made up his mind to buy…a double bed?!"