My Mental Choices Are Completely Interfering With My School Romantic Comedy

A teenage boy suffers through a curse that forces him to select one of two or three actions, many of which are weird or perverse. One day, after making a choice that causes a mysterious beautiful girl to fall onto him, he enlists her to complete a series of missions to lift the curse - but if he can do all of them correctly, otherwise he will be stuck with the curse for the rest of his life.