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”)

private; mine

a jigsaw puzzle

puzzle video game

video game whose gameplay revolves around falling items, such as Tetris and Puyo Puyo

(formal) we, us