The Gray And Golden summary:

Indolent beauty x loyal yandere dog x requited love redeemer An Ziqing, who has always been a bohemian, wanders among the flowers, not touching a single leaf. He is longing for a crazy and unique love to fill his empty heart. One day, according to rumors, Yu Zhen, the son of a famous painter, visits him and invites him to be a model for his new work. This young man with a gloomy and timid appearance falls in love with him at first sight, and the paranoia hidden under the appearance of a loyal dog slowly emerges...