Luminous

Magic, miracles, Alissa doesn't have time for that superficial nonsense. An honor roll student and serial high school heartbreaker, Alissa learned from her family that if it's not logical it has no place in her life. but everything changes when she meets an eccentric boy named Matt who performs magic tricks that might be real. Even though Alissa first impression of the boy was horrible, Matt always helps Alissa in complicated situations. Days after days she begins questioning everything including her heart.

Official Translations:
Korean: Ridibooks, KakaoPage, Bomtoon