you're welcome, my pleasure, no problem

to deliver; to send / to have an effect; to lead to a consequence, especially a bad one / (humble) to do: the humble version of する (suru) / (slang) to masturbate / (slang) to have sex

どう致しまして: you're welcome; my pleasure

(humble, formal, polite) Please (do). Humble form of お願いします (onegai shimasu).

Kyūjitai form of 歓迎 (“welcome”)

(dated) a burp, a belch

(dated) gaggingly, heavingly / (dated) belchingly, burpingly

welcoming of newcomers (students, etc.)

having fun while talking together

to have fun while talking together