Hekikai no AiON/Characters

Everything About Fiction You Never Wanted to Know.


The characters of Hekikai no Ai ON include:

Seine Miyazaki

Miyazaki Seine is a 300 year old girl with an immortal body who Tatsuya invites to live in his home; before that she lived in a cardboard box in a park. In the first episode, Seine looks like a masochist because she seems to like being bullied. Actually, she becomes close to people who are infected by "mushis", a kind of parasitic, mind-controlling bugs, in order to hunt them. Her hunting ways go against the kind and pacifist Tatsuya's beliefs. Her motive is to avenge her foster father Shimon's death by killing the people of sea, the mermaids. She controls a black snake called Aion that lives inside her. Her weakness is her inability to swim.

Tropes exhibited by Seine include:

Tatsuya Tsugawa

After the death of his parents in a car accident, Tatsuya tries to live to fulfill his father's last wish of becoming a "high caliber" man. After "saving" Seine from bullying, he insist on trying to help her, even after finding out the real goal of Seine. He is kind, optimistic and believes in other people's good side which is sometimes an obstacle in Seine's revenge. He is a bad cooker but somehow Seine is not bothered by his food. He has a crush on Seine and wants to be acknowledged as a "high caliber" man by her.

Four years later he starts going to University at the city.

Tropes exhibited by Tatsuya include:

Nagisa Yoshiyuki

Nagisa is a girl in Tatsuya's class, a long time acquaintance, and would probably like to get closer to Tatsuya, but ever since Tatsuya found a lost puppy (soon to be Crokette) Nagisa has had violent allergic reactions when ever she is in Tatsuya's house. So she simply stays away from him, even though she loves him.

Four years later she works as a waitress in a cafe.

Tropes exhibited by Nagisa include:

Shizuki

Shizuki is the older sister of the "Akuma Twins". Being the older, she is sarcastic, lazy and smart but she has a weak body (She can get sick and tired easily, she cannot swim in pools because of the chlorine and Tatsuya's food almost killed her). She has an immortal body and has lived for centuries. She gave immortal bodies to Seine and Shimon. Her former name was "Pistis Sophia" but she changed because it was "stupid". She is a Oyaji-con (she is attracted to "handsome" grown up men).

Tropes exhibited by Shizuki include:

Yuzuki

Yuzuki is Shizuki's younger sister. She is the opposite side of her sister: her body has superhuman strength, she is diligent and a good cooker but is a little dumb. She is good hearted and satisfies her Onee-sama's orders. She also has an immortal body and has lived for centuries. She is a Lolicon (she get excited by children, especially girls) to the point to kissing every children on their mouth upon just seeing them.

Tropes exhibited by Yuzuki include:

Sheila

She was introduced as a new transfer student; and Tatsuya is given the assignment of teaching her sign language. The youngest of the mermaids; she is despised by all her older sisters except for Ariel. Seine thought she had killed her some 300 years before, but Ariel restored her body almost entirely, leaving her badly scarred about the neck and unable to talk, but with the ability to change herself to have legs and walk about on land. Her true goal is infect a lot of people to order to take revenge on Seine for leaving her without her voice. She falls in love with Tatsuya.

Four years later she stills meets Tatsuya as he promeses her for stop thinking of avenge herself but she's discovered by two of her sisters and leaves the sea in fear. Tatsuya took her into his house even though Seine is there; Seine allows she lives there but as a host against her sisters. She seems very jealous of Seine for being target of Tatsuya's affections.

Tropes exhibited by Sheila include:

Simon Magus

Simon was Seine's third foster father and the one person who showed her kindness when she was young. He was known as a magician in his time and was also known to be 1700 years old (about 300 years ago in present time of the story). He bore the "Aion" mark, just like Seine does at the present time, but he had it across the right shoulder, and was able to use Aion's power for his own, unknown, reasons. He died eaten by the mermaids

Tropes exhibited by Simon include:
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