>>139149928
Of course she does, she knew it meant sex the whole time. She just knew that it would be easier to get into Itami's pants if they were married, so she tried to pass it off as the actual custom.

>>139149928
Nah, she didn't know. She's too pure.

She should, in the anime she gets mad at that old guy she lives with when he said he wanted to bone her sister.

>>139151291
She knows what sex is, but there's nothing that points to she believed it was attached to the three night rule.

>>139149928
She is a lewd slut just pretending to be innocent, don't fall for her charms anon.

>>139152629
I know that, but OP was asking if she knew what sex was.