Pokémon, the Big Sister Is Hatched from an Egg at the Beginning

This book is also known as: "A Mythical Beast Girl Was Hatched at the Beginning, and I Just Want to Live a Peaceful Life" "Victini Falls in Love with Me" "I, the Pokémon Master, Save the World with My Hands" [Flash Roaring Tiger + Pokémon Battle Master + Mysterious Big Sister] Sixteen years later, Bai Yi's Pokémon egg remained motionless and became a joke in everyone's eyes. Until he used a rented ordinary Pokémon to blow up his opponent's quasi-god with one punch. The egg cracked. No Pokémon hatched, but a mysterious big sister hatched and pressed him against the wall: "Call sister and make you invincible." "Wait... Are you the protagonist or am I the protagonist?"