Kindred Spirits on the Roof

A student at an all-girls school, Yuna, suddenly gains the ability to see ghosts, and meets the ghosts of two ill-fated lovers who are stuck in her school because they died without fulfilling their love. To help them, she needs to get girls who are on the verge of becoming couples to start dating. She needs to create a "Yuritopia" in her school. Based on the visual novel of the same name by Liar-soft.