MTL - My Hero Academia: My Personality is the World - Chapter 20

During the Third Great Ninja War, facing numerous enemies, Mirukawa Kaito was not in a hurry, and his hands quickly formed seals.“Water Style: Water Shuriken”“Lightning Style: Thunderbolt”“Ice Style: Ice Beam”“Lava Style: Precipice Blades”…Everything returned to calm.In the messy battlefield, Mirukawa Kaito fell into deep thought. He looked at [Focus Sash] on his left wrist and [Mystic Water] on his right hand.After a long silence, he threw the newly obtained [Onion] hard to the ground!“Damn! I am really a Pokémon, right?!”

“Each betrayal leaves a scar… and hers ran the deepest.”Once, Aveline Laurent gave her heart to Damien Ashford - the man who promised her a future, only to cage her with sweet lies.She endured it all with a smile… until fate dragged her back to the very beginning.Now, with a second chance hanging by a fragile thread, Aveline returns.Not to plead, but to punish.
Not to forget, but to make him remember.But revenge is never simple. The path is fraught with shadows—and an unlikely ally–Alaric Lancaster–whose loyalties remain as mysterious as his gaze.

Wang Xuan entered Longmao Square and was trapped in it. When he finally left, it turned out…

This is the last building on earth.

- Description from novelbuddy

Finding himself in an Last Airbender without an airbender around, a transmigrator waterbender goes on an adventure to stop the worst from happening to him.