Good Morning Sunshine summary:

Tosaka Subaru is an art student who lives next door to his university senior, Yumoto Youhei. Subaru was captivated by Youhei's artwork during an open campus event, which led him to enroll in the same university. However, Youhei turned out to be a tad sloppy and needed some looking after.As Subaru started making breakfast for Youhei and waking him up once a week, it naturally became a routine for him. But one day, when Subaru saw Youhei being close to a woman, he realized that his feelings for Youhei were not just admiration, but something special...A heart-fluttering campus BL story where colorful feelings intertwine!