Short for エクステンション (ekusutenshon, “hair extension”).

to show / 魅せる: to show off; to demonstrate a skill or talent

(formal) Female third-person singular pronoun; she, her, girlfriend

(colloquial) a girlfriend (a female partner in a romantic relationship)

(literary) they (about women or girls)

long / (time) long, lengthy

hair on the head

to turn on, to switch on

hair

long / lengthy