interest in Communism / Communist topics as a casual hobby

(only in compounds, music) hardcore

Demon core, a spherical subcritical mass of plutonium manufactured during World War II by the United States as a fissile core for an early atomic bomb

happy hardcore (music genre)

everything

(colloquial) current boyfriend

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

everyone, one and all

musician

music therapy