Kaidou Shun

A character from Saiki Kusuo no Sainan.

Also rose to a high popularity that makes him comparable to being BCW's Battler.

Judgement Knights Of
Thunder

A chuuni from an academy of psychics, who lacked psychic powers.

Has commited his life to fighting The Dark Reunion, a secretive group that controls the actions of all his enemies.

The Dark Web Rumble
Decided to prove his might, he joins The Dark Web Rumble, a most notable secretive group that will likely aid him in his fight against the enemies of justice, and will not give up until he proves his power is very real.

Episode 3
Kaidou proves his might by winning the Literal Who title from an 8-am elimination, besting 8 opponents who some were likely infiltrates of The Dark Reunion, with a final showdown against the hero of India, Rakesh.

Episode 4
His title is lost after an encounter with a likely member of The Dark Reunion, a skeletal being whose strength is too much for Kaidou who is not willing to unleash his full power just yet.

Episode 6
In a tables match, he puts an incredible performance to demonstrate his might as a Judgement Knight in which, despite losing, he managed to put himself over the audience.

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Gashu starts harrassing Rakesh Kumar Orton for being a "Non-Detective", stopping him from reaching his match and forcing him to fight. Kaidou interjects in for preying on the weak and challenges Gashu, which allows Rakesh to flee to his match.

Kaidou manages to defeat Gashu and prove his worth as non-detective, but has to unseal his deadly secret technique in the process.

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When he hears the news that his friend Rakesh has gone missing announced by the Sonozaki, and everyone's apparent uninterest, Kaidou swears he will find Kaidou, no matter if he has to take on the entire Dark Reunion organization by himself, for the sake of his friend.

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Kaidou, figuring that the Sonozaki are behind these freak accidents and disappearances, goes to face them directly.

He can barely manage to keep up with the both of them by himself, and when they see an opening, Shion uses her bracer knuckles stun gun.

When he is down in the floor, Rakesh appears seemingly as if to save him, but instead, lifting up a chair, Rakesh brutally hits and hits and hits and hits and hits him, and finally closes the steel chair on his neck, breaking his windpipe and sending him to the hospital. All for the sin of daring to see him as weak and trying to help him, he was punished.

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Kaidou recovers in the hospital, and finds himself next to Nero and Ippo.

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Rakesh challenges Kaidou to a match to end him for good, but Kaidou willingly shows up to try and free Rakesh from himself or whatever influence has changed him from his way.

With his throat damaged still, Kaidou manages to defeat Rakesh back for what he did.

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Kaidou gets ready to defend BCW with all his might, to put such a performance no wrestler will dare to go against BCW ever again. Rakesh walks in before Kaidou can leave and apologizes and leaves.

After his champion match is stolen by an atom, his match is against a man with a not-so-good track record, but apparently worthy enough to be the company's #2 draft pick, someone in which Kaidou senses both good and evil within... Ushiromiya Battler. However, despite all his training and his power, Battler is just relentless in this finale tournament and doesn't allow Kaidou to score even a single point.

Off-Season 8
Episode 31

Participates in the Beat The Clock challenge and is the loser of the fastest match.

Feats

 * Becoming BCW's Battler through sheer coincidence.
 * Ranked 2nd place in Season 7's Popularity Poll〈162 votes〉.
 * Ranked 27th (tied with Stork, Red & Regigigas) place in Season 0's Popularity Poll〈014 votes〉.

Trivia

 * Gigadimes entrance