Short for スピリチュアル系.

(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)

system, family / style

a book / a script; a scenario / source; origin; root

to read (look at and interpret written text) / to read (speak aloud written text) / to infer; to speculate / to count

reading / (figuratively) understanding of something, speculation about something

just

adverbial form of よい (yoi, “good”) / adverbial form of いい (ii, “good”) / 良く, 善く, 克く: good, well / 良く: frequently, often / 良く, 善く: having astonishing ability or guts / 能く: (literary) able to