I started reading a manga awhile ago about the son of a film director/producer/something of the sort. The overarching plot line was, as far as I remember, the son filming a classmate in increasingly erotic situations to win a competition of some kind.

There was also a teacher who used to be an actress that the main character humiliated on film.

Would anyone have any idea what this manga is? I may have mixed up some details but this has been bugging me all week

Hajirau Kimi ga Mitainda?

~4400 manga completed
~1700 ongoing...

Thank you.
I was also looking for this information.