Maybe a Fake Gintama Novel

Kawaki, born in the dragon vein of the planet Altana, first encountered Umibozu and his girlfriend Kouka while they traveled through the universe. He later arrives on Earth by chance and meets Yoshida Shouyou, a teacher who profoundly influences his life. There he befriends a group of companions, including a silver-haired fool with naturally curly hair, a short man with purple hair, and a mischievous character known for declaring "Not Zura, it's Katsura!" This Gintama fanfiction explores themes of cosmic conflict, friendship, and personal growth as Kawaki navigates his journey from weakness to strength. The story incorporates elements of interstellar warfare, immortality, and sword combat, following the adventures and bonds formed between Kawaki and his newfound allies on Earth. A must-read for devoted Gintama fans seeking engaging fanfiction.