The Girl Downstairs

Freshman Juntang Yuan, applied for Minsong University in order to get close to his senior, Zhu Zhu, whom he had a crush on for a long time. After enrolling in school, he meets Shiya Li, a former idol who had dropped out of school. He meets Zhu Zhu again on campus as well as Ruoni Cui at a social party. It was then, that Juntang fell into an emotional vortex with the three girls, hesitant, and entangled...

(Source: bilibili, translated)