If you're looking for manga similar to Kono Yo no Hate de Koi wo Utau Shoujo YU-NO, you might like these titles.
Coming to earth to live the high-school life he's always dreamt of, Hirito finds himself in a bathroom on top of a naked girl! It turns out she goes to the world renowned Konoeghara Academy. Hirito is shocked to find the school only consists of seven students in total! Why in the world does the one of the most prestigious academies in the nation only consist of seven pupils...?
One day, a weird girl with pink hair and green eyes appears in front of Nagi Tsukuba, an average high schooler. She claims to be Stra, the "Prophecies of Nostradamus" and after guessing his future and guess it, she starts living with him. What will happen with his school life...?
The invention of anti-gravity footwear has opened an innovative world of sports for students across the globe. Dreaming of flight since childhood, Asuka can’t resist the action-packed competitions of Flying Circus. But with her head in the clouds and a clumsy disposition, she’s got a lot to learn before she can go toe to toe with the toughest challengers at other schools.