to hold a meeting

to go in; to come in / 要る: to be necessary, to be required

to enter, go into, get into a place or a thing / to join a group or organization / to be contained (in), to be included (in) / to be a member of a group, set, category

room

room

(literary) leading / (literary) guiding and supporting

(literary) to lead; to take with one; to marshal / (literary) to guide and support; to give guidance and help to

everything

(colloquial) current boyfriend

(slang) Alternative form of 彼氏 (kareshi, “boyfriend”)