(As spoiler free as possible)
The Manga is actually really different from the Light novel, in the light novel it skips over most of this slice of life stuff, it goes from him getting kicked out to him delivering at the guild to him meeting the girls and then they speed through them teaching him how to be an adventurer.
Supreme G** of Bees, Wasps, and sometimes hornets, AKA the Ultimate Bee-ing.
