to appeal to the court, police or other public place, and compete which one is correct publicly; to bring a lawsuit

(broadcasting)

(television, video websites) subchannel

Short for サブチャンネル.

Short for サブキャラクター (sabu-kyarakutā).

a subculture (portion of a culture distinguished by its customs or other features)

(colloquial) current boyfriend

everything

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

everyone, one and all