When he was five years old, Lu Shuangshuang was a thinking child... And his little tail hung on the back of eleven-year-old He Yin's butt all day long.
"Brother, brother! I want to..." She struggled to use her pitifully small vocabulary to formulate sentences, and couldn't stop talking, from eating sweets to raising a small pet, until she was satisfied with what she said.
When she was twelve years old, Lu Shuangshuang bit a girl from the same school into the infirmary because she desperately wanted to send a love letter to He Yin through Lu Shuangshuang.
"Oooh, ooh, ooh..." Lu Shuangshuang followed behind, crying out of breath, "Don't try to take my brother away!" Eighteen-year-old He Yin admitted, covering her heart.
Later, the eighteen-year-old Lu Shuangshuang was so pampered that she could run rampant like a crab in twenty parallel worlds, her eyes blinking in joy above her head.
Childhood sweethearts, one on one, ending HP
It's similar to traveling through a parallel world quickly, interspersed with short stories.