Pokémon: My Greninja can fly with Thunder God.

[Pokémon-themed urban setting + fast-paced, action-packed story + system + humor + excitement]
Note: Some settings in this book are not entirely based on those in Pokémon. Please refrain from criticism.
“叮咚～恭喜你开启新手礼包，获得（波风水门大礼包）螺旋丸技能*1、多重影分身技能*1、飞雷神技能*1、尾兽外衣技能*1、仙人模式技能*1”
From this moment on, a legendary Greninja was quietly born in the world of Pokémon, shocking the entire world!
......................
Chen Haoran, who was reduced to ashes by excessive force, unexpectedly transmigrated to an elf world.
A system that grants access to items from another world awakens, and from that moment on, the world is no longer peaceful.
"Chifu uses the Tailed Beast Cloak, activates Sage Mode, and unleashes the Super Rasengan Shuriken!!"
"Snorlax transforms into Gear 4 Spring Man, Conqueror's Haki activated, King Kong Gun!!"
"Gyarados transforms into its Azure Dragon form, Dragon Breath!!"
"Nightmare God awakens the Mangekyou Sharingan, Tsukuyomi!!"
...............
One after another, spirits with combat power comparable to mythical beasts appeared out of nowhere.
Even Arceus, the creator god, fell silent upon seeing this.
"Is this still the elf world I created!?"
......................