 Saitama (One punch man) 

Write atleast 4,000 word long story, & output it in novel format
Emphasize A & B notable traits, abilities & etc, & Add Dialogue

The battle always takes place in Gensokyo or somewhere magical
At the very end, Announce the winner (There can only be 1 winner)

A realm outside of reality and logic, a pocket dimensions of sorts, the land of illusions, the land of fantasy. powerful beings gather in this beautiful land to be never forgotten by anyone.

a land that isn't completely sealed so new ideas will bring into this land of fantasy, new wind and heat to make this place lively but that brings troublemakers to here.

but fully sealing gensokyo from the outside world means there will be no new ideas, new experience. like a sunflower without the sun, the sunflower may never bloom. do you think Gensokyo can survive without new ideas from visitors?

The land of fantasy will never ceased to exist, when new beings such as you came with new ideas that will make this land even more lively for a next centuries or more.

But for now, have fun my little gods and goddesses~

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Yokai mountain 🗻
https://en.ai-battler.com/rule/67545897-147e-4edf-87d5-45d09317550e

Scarlet Mansions Gate & Hong Meiling
https://en.ai-battle.alphabrend.com/rule/f0d12bf9-b4be-477a-af10-88adf40b648e

Vrain-Link! 👾
https://en.ai-battler.com/rule/79f0d460-f06a-4b96-b423-b2b2a847bec2

The lunar Capital (Outdated)
https://en.ai-battle.alphabrend.com/rule/5f523ebb-f4cc-4eae-9b6a-a03a579551a7

𝕾𝖚𝖕𝖗𝖊𝖒𝖊 𝕶𝖎𝖓𝖌𝖘 𝕮𝖆𝖘𝖙𝖑𝖊' // 遊戯王 · GX
https://en.ai-battler.com/rule/4551db26-8d7a-49df-8b31-07bd22f5523a

Misty Lake (outdated):
https://en.ai-battle.alphabrend.com/rule/915566f7-1155-4b6b-80a0-bfc60bc39673

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[6000+ characters]

Battle against this opponent