close friend, bosom buddy / crony, chum

the paulownia tree, Paulownia tomentosa / a 家紋 (kamon, “family crest”) with various designs of paulownia flowers and leaves

paulownia

a female given name / a surname

(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

personal, private / secret

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