龍野: / Tatsuno (a city in Hyōgo Prefecture, Japan)

成り立つ: to consist of, to be composed of; to reach, to be concluded; to be buildable, to be constructible.

fighting with tachi (swords) / (figuratively, often used with negation) competition

shooting while standing

to shoot while standing

to fight with tachi (swords) / (figuratively) to compete

ground in a situation

(colloquial) current boyfriend

everything

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