a surname

biographical supplement; side story / (anime, manga) spin-off

Kyūjitai form of 外伝 (“side story”)

well curb of a circular well (筒井) / male and female who are childhood friends

(polite) first-person singular pronoun: I, me

a personal or private matter / (by extension) selfishness

(formal) first-person singular pronoun: I, me

personal, private / secret

a personal or private matter / selfishness / privacy, secrecy / (women's speech, obsolete) a brother-in-law

Alternative spelling of 私達 (“we; us”)