Hinahoho has a gigantic physique, like everyone of his race, with long blue hair, which is usually tied in a ponytail. He wears a blue bandana around his forehead. He also has amber colored eyes, and carries around a Rampaging Unicorn horn as a weapon. He also has light stubble on his chin.
Hinahoho has a kindhearted personality and cares about his kids a great deal. He loves kids so much, he even tries to get Sinbad to start his own family.
When he was young, Hinahoho was very timid, cowardice and often being a crybaby. He lacked courage on himself, to which even his little sister, Pipirika, treated him like a child, until he met Sinbad.
He came from the Extreme North's Unexplored Region and became a resident of Sindria under special circumstances. Hinahoho is a widower and has five children.
[Hinahoho] (currently unnamed) crashes into a boat in the middle of the sea. On the boat was a starving and thirsty boy named Sinbad. [Hinahoho] apologizes and shares some of his water with Sinbad. Sinbad thanks him and calls him a lifesaver. [Hinahoho] cries as she says its been so long since he has heard thanks. Pipirika, [Hinahoho]'s sister, jumps on the boat and apologizes for her and her brother. Pipirika introduces herself and [Hinahoho] as people of the Imuchakk Tribe. Sinbad asks if everyone of their race have such big bodies. Pipirika and [Hinahoho] agree, and [Hinahoho] says she's only 13 and he only 21. Sinbad asks for [Hinahoho]'s name, but Pipirika says that he doesn't have a name yet. She informs Sinbad that other than the childhood name given at birth, to be given an adult name, a man of the Imuchakk must complete the coming of age ceremony.
She calls [Hinahoho] miserable as "it" blew him away again. Sinbad asks what "it" is. She tells Sinbad that the coming of age ceremony of the Imuchakk is a test of courage against the Rampaging Unicorn. [Hinahoho] draws and explains that a Rampaging Unicorn is a huge type of fish. Pipirika is mad he draws better than her and says drawing is girlish and if he mans up, the girl he likes might turn and look at him. She explains that the girl is the top beauty of Imuchakk, and even if he wants to propose after the coming of age ceremony, it's futile. [Hinahoho] says that if he defeats a Rampaging Unicorn and become an admirable warrior, his affection will reach that person. He says until then he will not return to the village, and in order to propose he will work hard. Sinbad interrupts and asks if the monster attacking now is the Rampaging Unicorn.
[Hinahoho], Pipirika, and Sinbad agree to work together to beat the Rampaging Unicorn. [Hinahoho] and Pipirika explain to Sinbad about the Rampaging Unicorn. The fish's body is covered in hard coal, and has a distinctive long horn. Pipirika explains that the weapons they use are harpoons. She tells Sinbad that the Imuchakk is a tribe that takes pride in swimming, and that they seek battle with the Rampaging Unicorn in order to show ones proficiency in swimming, assessment of the situation underwater, and battle skill. She also explains that while [Hinahoho] is good at swimming, he lacks courage and hasn't stabbed the Rampaging Unicorn once. Sinbad comes up with the idea to use traps against the Rampaging Unicorn. [Hinahoho] says that in actual battle battle victory can be achieved from the combination of strength and wisdom. He then strongly says to Sinbad, "I beg of you, please lend me your wisdom."
Sinbad plan is to lead the Rampaging Unicorn. When Sinbad yells now, [Hinahoho] and Pipirika shoot arrows at it. They both jump into the water. Hinahoho thinks about the plan Sinbad made. The plan is to wrap the arrows in rope around a tree. This will uproot the trees and bring them into the ocean, and once there extend the battlefield by giving [Hinahoho] more footing. [Hinahoho] uses it to jump high in the air and stab the Rampaging Unicorn. He is happy to have finally stabbed it with his harpoon. Pipirika warns [Hinahoho] that he should quick as a storm is about to come, but [Hinahoho] does not give up. He feels if he cant defeat the Rampaging Unicorn right now, no one will ever acknowledge him. He yells, "I won't be treated as a child. I've had enough!!" The Rampaging Unicorn throws [Hinahoho] off. Sinbad says that [Hinahoho]'s spirit has won him over, and uses Baal's power to finish it off.
[Hinahoho] and Pipirika are both astonished at how Sinbad finished it out. [Hinahoho] wonders if he can still say that it was him who defeated the Rampaging Unicorn, and if he's an adult now.
After a week, they all sett off toward Imuchakk. [Hinahoho] has also taken off the horn of the Rampaging Unicorn and is carrying it around. When they arrive back to Imuchakk, they are greeted by all of the Imuchakk. [Hinahoho]'s and Pipirika's father, one of the Patriarchs of the Imuchakk, greets [Hinahoho] upon his return.