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Before becoming an Arsino Magia he was an actor-type HumaGear that was hired by HIDEN Intelligence company to take a role on the drama-themed TV show. During episode 10 the crew members and actors were ambushed by Little Assasin luckily for this here bot he was saved by the arrival Kamen Rider Valkyrie and he wasn't hacked by the Assassin to do the terrorist evil deed.
However in episode 11 while reading his lines for the TV Show he was ambushed by Horobi in the dressing room by hacking him the Zetsumeriser and the Arsino ZetsumeRise key. Now as he'd walks onto stage and crew members thought he was going to act, but not for long when he'd transformed into the Arsino Magia and begun rampaging in the studio! But Kamen Rider Valkyrie used lighting hornet form and battle the charging bot and after that he was shot down by this finisher called Lightning Blast Fever.
During the mock wedding between Marriage Match and Chiharu Ebii], he would serve as the pastor officiating their 'marriage'. But Enji somehow was possessed by the Ark but didn't transform into a Ark Magia and decide to follow Gai Amatsu. Enji then reveal that he trick Gai by pretending that he was hacked by the Ark as Enji already scanned his HumaGear Body Seal barcode with his own Progrise Key to help Izu transfer his data to the Progrise Hopper Blade, but soon was forced to transform into the Arsino Magia by Gai. Later, he was rescued by Aruto as Zero-One MetalCluster Hopper, thanks to the Progrise Hopper Blade that was created by Izu and was escorted by Izu to a safe place.
- He was the first rhino-themed monster since the Rhinoceros Amazon from season 2 of 2018 TV series called Kamen Rider Amazons.
- However, while labelled as a rhino monster, the extinct animal he's modeled after, the Arsinoitherium, is more genetically closer to modern-day elephants.