ONE

When student Gerard's boyfriend Bert goes missing, and a new kid named Frank shows up at the boarding school with time-rewinding abilities, Gerard learns to deal with his crippling depression and live a little as they search for Bert. In the end, everything is in Frank's hands, and he must choose the ultimate sacrifice.
(I unabashedly admit I got the idea from the game Life Is Strange; don't judge, motherfucker. Don't judge.)