close friend, bosom buddy / crony, chum

the past and present / Short for 古今雛 (kokin-bina):

Short for 古今和歌集 (Kokin Wakashū): a waka anthology compiled in 905 / a surname

the past and present / old and new / the interval between the past and present; also, such a history

a surname

the past and present

(chiefly women's speech) first person singular pronoun: I, me

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

a personal or private matter / (by extension) selfishness

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