official song themed around a fictional character

character of human (personality), or of things.

perfection, infallibility, completeness

perfect, infallible, complete

character, a fictitious person or creature / personality

(music, anglicism) Synonym of 歌 (uta, “song”)

a thong (G-string)

express

expression (by words, facial, attitude) / representation (of art, play, music) / performance (of actor, player, ...)

distal demonstrative, something far off removed from both speaker and listener: that, yon / particularly, male personal third person pronoun: he / by extension from he: boyfriend