safekeeping, storage / custody

important, weighty / valuable

importance, weight / value

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

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

keep, maintain, store / have custody, have charge

(literary) they (about women or girls)

初男: a male given name

二十日: twenty days, twentieth day of the month

発案: suggestion