Hazure Skill: The Guild Member with a Worthless Skill Is Actually a Legendary Assassin, Vol. 6 (manga)

A guild member aiming to be “normal"…is going on a company trip surrounded by female colleagues!? After completing Lord Bardel’s request and helping to snap his new vampire acquaintance out of a hypnotic trance, Roland thinks he can return to a normal everyday life… But soon afterward, an explosive incident forces the guild to temporarily close its doors, so what better time to go on a group vacation?