My Youth Romantic Comedy Is Wrong, As I Expected, Vol. 7 (light novel) — Wataru Watari

The class trip--an event rife with potential for love and trauma. The excitement builds as the big trip to Tokyo approaches--for most of the class. Hachiman's status has fallen since the cultural festival, but at least he didn't have far to fall.

But then, before they leave, an unexpected visitor to the Service Club comes with a request for romantic advice that creates even more complications...