Abbreviation of ハンドルネーム (handoru nēmu, “screen name”).

screen name; online handle; online nickname

桜: cherry blossom, cherry tree

a female given name

handle / steering wheel

Synonym of 名前 (namae): a name (word or phrase indicating a particular person, place, class or thing)

(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