Good Morning Sunshine

Tosaka Subaru, an art student, lives in an apartment next door to his senior, Yohei Yumoto. Yohei's artwork captured his heart at an open campus event, which led Subaru to the same university. However, Yohei himself is a bit of a slacker and a difficult person handle.

One day, when Subaru sees Yohei being friendly with a woman, he realizes that his feelings for Yohei are not than just respect, but something special...?

(Source: Takeshobo, translated)

Note: Includes three extra chapters.