menstrual pain, menstrual cramps

Short for 生理学 (seirigaku, “physiology”). / menstruation; period

to rest / to sleep / to be absent (from) / to suspend; to be dormant

(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)

school (institution dedicated to teaching and learning)

good night

Kyūjitai form of 生理学 (physiology)

(literary) they (about women or girls)