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It's an open ending, I'm glad it's what everyone likes!

My name is Liu Yu, and I suddenly turned into a girl. Fortunately, my good buddies in the dormitory still treat me as a brother... I guess so!

North of the galaxy, there is a place that needs you.

100 years later, due to the rapid increase in population, human beings had no choice but to move to space. One day, a strange message was sent out on the cosmic channel.