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

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

(literary) they (about women or girls)

歌う: sing / 詠う: compose (a tanka, haiku, etc.) / 謳う: state, praise (for own good)

(idol fandom) division of a song's vocals between members

speciality/specialty; subject of study; subject of expertise; area of interest; profession

to research, to study

a piece of research, a study, investigation

Iwo Jima (volcanic island in Japan’s Ogasawara Islands chain)

reception (of guests), receiving, dealing (with)