What Do You Mean My Little Sister Turns into My Big Sister in Ten Years?

[Youthful campus life] [Warm everyday moments]

On an ordinary day, while fooling around with my little sister, I was accidentally knocked unconscious by a medicine bottle and remained in a coma for ten years.

Ten years later, my body had barely developed at all. When I woke up, my sister had grown into a girl even taller than me.

In other words, my little sister had become my big sister!