My Stepmom Brought Three Stepsisters, and I Have a Sister-Doting System

When Gu Luo's father remarries, three stunning stepsisters suddenly enter his life—just as a mysterious system awakens, rewarding him for doting on them. What starts as awkward family dynamics quickly spirals into romantic chaos when the angelic youngest sister falls for him, triggering a fierce competition among the beauties vying for his attention. Caught between his system missions and the escalating affections of multiple girls, this transfer student's peaceful school life is about to get delightfully complicated.