At the class reunion, facing Dimi showing off her newly purchased beetle, the heroine calmly summoned a giant ladybug "Beetle", stunning the audience. This alien ladybug can not only transform into a human form, but also accidentally becomes the heroine's roommate. As they get along with each other, the heroine discovers that Qixing is not only capable of doing housework, but also has an unknown secret - he comes from a distant fantasy tribe, has a special physique, and needs to find a partner to tide over difficulties at a specific period. However, the peaceful life was broken by sudden changes, Qixing suddenly became strange and dangerous, and the heroine fell into an unprecedented crisis. Just when the heroine thought everything was about to get out of control, a man claiming to be Liuxing appeared, revealing Qixing's true identity and predicament. Can Qixing successfully survive the differentiation period? How will his relationship with the heroine develop?
