My Sister Is so Cute

Traveling through the parallel world, Jiang Zhe found himself back to his appearance when he was ten years old. But the much-anticipated system did not arrive as promised, and he also faced an existential crisis! "Oh my god, even if there is no system for time travel, you still want to turn me into ten years old, you might as well just kill me!!" Jiang Zhe, who was desperate, never expected that he did not wait for the system, but instead waited for his own Bai Yueguang! "Sister, German Orthopedics welcomes you!!!!" This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.