俊一: a male given name

close friend, bosom buddy / crony, chum

spring breed of silkworms

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

一瞬: an instant, a moment

俊二, 俊児, 俊次, 俊治, 俊史, 俊司, 駿二, 駿児: a male given name / 駿次, 駿治, 駿史, 駿司: a male given name

駿也: a male given name

駿馬: an excellent, fast horse

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

a personal or private matter / (by extension) selfishness