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Isana (伊佐奈 Isana) is the director of the Ushimitsudoki Aquarium. He's known for his cold behavior with animals and humans that visit his aquarium. He has the cursed body of a sperm whale. Even though he's recovered almost all of his original human form, this villainous director still retains the ability to transform.

Appearance[]

He has black hair, wears a helmet that obscures the left half of his face, and a jacket that's resembling his whale form. He wears earrings, rings, a wristwatch, and a bracelet around his arm. He most likely has black or blue eyes. When his helmet was removed, it revealed that half of his face has a horrific whale like appearance. When he transforms, he fully becomes a sperm whale.

Personality[]

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Isana's other face

He's a very cruel person, feeling that animals should obey humans, and that anyone or anything that disobeys him, or fails a task, should be put down. What he doesn't know is that every fish in the aquarium is afraid of him because of his powers. He can manipulate his executive members easily using this unknown advantage. He always wears a helmet to hide his left half of his face for others, but removes it when he eats or someone has earned his ire. During the short battle between Shiina and him, he tells him that they are in the same boat because of their cursed forms. He has no mercy to anyone he kills. He is able to completely transform back into a whale, but his condition and the way how he's able to use it is unknown. Seeing between a battle during Shiina he has a little trouble of swallowing an enemy.

History[]

Curse of the Whale[]

He was on a cruise with servants while suddenly seeing a whale. He retrieved his gun and shot the whale, to prove that humans are superior. Suddenly from behind a Ghost Whale made it's appearance and cursed him into a shape of a whale.

Chronology[]

Vs. Aquarium Arc[]

Main article: Vs. Aquarium Arc

Isana was seen sitting on his Manta Ray saying to Sakamata if he doesn't wish to die he suggests he work to the point where he's about to drop dead. Later Isana enters the meeting with his underling vassals stating that it was a long time since he had opened his aquarium for business. He also states that the animals that he has assembled are the strongest creatures on which he can count on, the board of directors. He then speaks about the curse that has awarded him the ability to change the animals with his "Magical Powers" continuing on to say that these magical powers are vanishing little by little from his body and when they are gone he's going to say completely farewell to his vassals. Fuka then talks but Isana crushed him with his Whale powers because he were been mad at Sakamata about that he's number 2 and he isn't. After that he crushed him he then says that he must gonna think twice before he's saying stuff like that. Isana then starts to talk to Sakamata abut Igarashi about that he can't transform him back to his original shape with his magical powers. He then sees that there is another with Magical Powers, he then wishes to see him.

Abilities and Powers[]

  • Echolocation: is also known as a Biosonar, it's a technique showed by Sakamata and Isana. It is a normal sonar used by toothed animals and dolphins, but it can also used by bats, cave swiftlets and Oilbirds. The technique is shown as a clicking sound that can freeze an opponent in place. Isana uses this not only to disable movements of enemies (just as Sakamata previously did to Shiina) but also to communicate through the water to his workers using a water filled tube like a telephone cord.
  • Small Fish (雑魚(ザコ)):
  • Transforming Animals: Just like Shiina, Isana posesses the ability to transform the animals of his Aquarium into human shape. The smoke is emitted from his blowhole as opposed to Shiina's carrots. Isana uses a series of ducts to transmit the haze in a cohesive and controlled way.
  • Plexiglass Repair: In Chapter 18 Sakamata briefly mentions that Isana's powers immediately repair the Aquarium walls to Shishido during their fight. Igarashi also makes note that it's like the cages at the zoo.
  • Shape Changing: Most notably when first encountering Isana, Aoi Hana is amazed that he can freely transform his coat as an extension of himself into a whale tail, noting that even though his curse has been weakened he holds the power to change his shape at will. Isana also transforms his face to devour an eel after it disappointed him. Later Isana displays the full extent of his shape changing power by transforming into the full monstrous whale form he'd been cursed with from the beginning proclaiming how much he hates the form. The full whale form of Isana's is massive even for a Sperm Whale, breaking through the roof of his Office once transformed. His whale form has long arms and shorter legs bearing human-like hands and feet as opposed to only flippers and a tail like a real whale. In his massive whale form Isana is capable of all he was before in addition to powerful headbutts by controlling the firmness of a waxy fluid in his "melon" called "spermaceti."

Trivia[]

  • His name comes from the ancient Japanese word for whale, isana (勇魚, いさな).
  • A common shorthand of his is "137".
  • Isana shares his design with Curator, a villain from Kohei Horikoshi's other series, My Hero Academia. Curator is an original villain made for the My Hero Academia: Clash! Heroes Battle arcade game.
    • Also Isana himself and his personality was the base for Kai Chisaki/Overhaul from Kohei Horikoshi's work, My Hero Academia.

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