ABO + Yan Xi My younger sister Chang Qiu, who is surrounded by A's, is extremely envious of her best friend who has a sweet-smelling and soft little O. She relies on her parents every day to tell her that she wants an Omega brother. Finally, with the efforts of the master and his wife (and Chang Qiu's hard work), the Chang family welcomed a lovely Omega baby, named Chang An. Chang An: "But, why do I have to pretend to be +B (eta)??!" Yan Xi: "..."
Concept: sweet campus love
