Falling in Love with Your Sister Is Easy!

I'm Looking for the Kind of Male Protagonist Who Seduces the Female Protagonist, but the Female Protagonist Is Very Straightforward and Clueless.

Want to watch something similar to "Sweet!" The book "A cool beauty becomes a heartthrob in a boy band audition". I'm looking for the kind of male protagonist who seduces the female protagonist, but the female protagonist is very straightforward and clueless.