本線: main or trunk line, such as a railroad line or electrical line

Short for 日本国 (Nihon-koku): Japan (a country and archipelago in East Asia) / a surname

(archaic) Japan

(idiomatic, especially a child) to be on the verge of tears

regular costumer; patron

basic rules; fundamental tenets

full-blown, full-fledged, real, genuine, normal, authentic

everything

(colloquial) current boyfriend

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