Prince of Tennis Yukimura's fans are so awesome

[No CP, competitive, Rikkai University three-peat, no blind spots, apricot black, stay away from Aogaku chefs] Kuroko Yueya, an ordinary student, but what's unusual is that he has a built-in system and a twin brother named Kuroko Tetsuya. The system claims to be from another world, and his world is a book. His favorite character is surprisingly the final boss. His brother is the protagonist of another anime.