The Rainbow Cat Travels Through the Heavens with a Sword

A young man from another world came out of the sky and became one with the rainbow cat. In his dream, he was lucky enough to inherit Shushan's swordsmanship, and he swore: Use my sword to protect those I love, and use my rainbow to travel across the heavens. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.