A stock phrase in Japanese pop culture supposedly used by the wife in a newly-wed couple to invite her new husband to bed.

Kyūjitai form of 私生児 (“illegitimate child”)

thirty-three; 33

the mon, an old currency / a unit of length for measuring the size of one's foot (from the way that the mon coins would be lined up and used as a kind of inch marker) / a character, a letter

record, recording / history

a female given name

chapter; obvious; document

measuring word for books

(figuratively) being carefree and unaware of an imminent danger

carpenter's square / square (shape) / rule; law