My Beautiful Man: Eternal

The quiet, friendless "loner" at the bottom of the class falls in love at first sight with the overwhelmingly beautiful, ruthless and popular "King" Kiyoi. After graduating from high school and going through various ups and downs, Hira and Kiyoi have become lovers and live a happy cohabitation life in Hira's house. As his university graduation approaches, Hira starts working as an assistant to the popular photographer, Noguchi, and witnesses the work of a professional. He begins to distance himself from Kiyoi little by little, not wanting to get in the way of Kiyoi's expanding career as an actor. Hira who thinks of Kiyoi as a god-like and precious existence, and Kiyoi who wants to be "normal" lovers on an equal footing with Hira, despite thinking of each other, disagreements gradually start between them.
The spring when they met has passed, and after a hot summer, autumn deepened. The cold winter has been overcome and spring comes by again. The two start heading towards the season of graduation.
(Source: Japanese = culture-pub.jp || Translation = MDL)
~~ Adapted from the novel "He, Who is Beautiful" (美しい彼) by Nagira Yuu (凪良 ゆう).