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

entirely

red (color) / communism, socialism / a communist

red

an Atlantic footballfish (Himantolophus groenlandicus)

memorial lantern, Obon lantern, a paper lantern used for memorials during Bon Festival

paper lanterns and temple bells (which look similar but are completely different)

(colloquial) current boyfriend

everything

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