School Days

[shinta|hikari]

Or maybe B will think that A is lying/stupid/wrong/does not know what she is talking about and will simply ignore what she said?

Its different from being stabbed in the heart > death, which is causative.

And no, you do not understand what causative means, so I took the liberty of researching for you.

Causative
2 : expressing causation; specifically : being a linguistic form that indicates that the subject causes an act to be performed or a condition to come into being
From Merriam-Webster

EDIT: Oh, and Sekai never said that it was ok to fuck her even if you have a girlfriend. She was actually resisting Itou at that point (case in point - after the swimming scenario). They did end up doing it though.