Series where the protagonist uses hypnosis (or something similar) on others and it ends up helping their victims, even if it's by accident. So like hypnotherapy to cure a phobia, using hypnosis to punish bullies or simply s*x under hypnosis helping relieve stress.

Stories not on NU;

'I Gave My Bully A Love Potion, But...' by battleking90 (On CHYOA): While the protagonist regrets making the bully love him, in actuality she was suffering depression and the artificially induced love has made her a lot happier. So much so, she feels the need to spread it to others. Sadly on hold, though author recently announced they might resume writing it.