Gensokyo: the Bond: Chen an Is My Sister

Chen Fei, an angel-like existence. Mysterious appearance. No one had seen what he looked like. He has a sister. Usually cold on the outside and hot on the inside, but he is the ultimate disciple! My sister has a best friend, but I don't know about it. I am the fifth child in my family! Young. Only six years old. Height forever! A little boy who won't grow up. My sister and I have a very strong bond in every dimension. When I left, my sister's personality also changed. He became a bit like a gentle girl seeking death. In this life, she is reincarnated into Gensokyo. Can she reunite with Gensokyo in the other world line? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.