At a young age she witnessed her village being attacked by a small legion of fallen angels. She also witnessed her mother being raped by male fallen angels after they killed her father. Due to the trauma of witnessing her mother being raped, she began having fears of being physically and emotionally close to men in general. After managing to escape, she came across Akamaru and Orenii escaping as well so they decided to travel together. They traveled to a town where they would pickpocket and occasionally fight against gangs, which from the experience is how they learned to fight. After noticing the towns cathedral being over run by fallen angels and women being kidnapped they decided to take matters into their own hands. They began getting the upper hand, but they suddenly got taken out. Before they where finished off, a pink flash appeared in front of their eyes and within that flash all the fallen angels were killed. The man approached them asking if they were alright and asked the woman beside them to heal the three. After the man searches the cathedral for surviving women, he comes back with two survivors who had only human babies. The three we're grateful and asked to be the mans subordinates to which he agreed. He asked for their names to which they've given their names, and due to seeing their abilities he was able to deduce their family names. They asked for the man and woman's name to which they replied Kohaku Ryuga and Kimahara Ryuga respectively.
Hisui has hip length dark green hair cut in to hime style, and pink eye with three distinct eyelashes. On her head she wears a golden head piece with wing like protrusions on the side of her head. She wears a thigh length dark purple top with elbow-length large hanging sleeves with golden lining and feathery fur around the collar, greyish purple boots with golden lining over light grey tights and a greyish purple corset with buckles.
She is very composed, mature, and intelligent, often advising her fellow comrade Akamaru to stop arguing with people for it makes him look weak and stupid before chiding his angry responses. She has a sort of snobbish attitude toward her opponents and fellow teammate Akamaru. She easily gets them riled up by taunting them and looking away as if she is ignoring them. Though she does care for her comrades safety despite her attitude, especially Akamaru since she actually has feeling for him, though do to her seeing her mother getting raped she's been so traumatized that she's afraid of getting physically or emotionally close to men.
Super Human Strength Edit
She's able to create large craters and destroy hills with a single punch or kick.
Super Human Speed Edit
Her speed allows her to easily cut down up to ten opponents in an instant.
Enhanced Durability/Invulnerability Edit
Hisui's physical durability is extremely high, allowing her to take numerous blows of internal or external assaults before succumbing to the effects.
Enhanced Endurance Edit
Hisui can operate on a low power setting, allowing her to operate for an extended amount of time. She can hold her breath for longer periods of time, remain calm through stressful or painful situations, tolerate extreme hunger, unbearable thirst, and strong urges to sleep.
Wind Magic Edit
She utilizes this magic to make her blades sharper and create winds around her to cut her opponents with.
Enhanced Senses Edit
Her hearing, eyesight, and sense of smell far exceeds any human.
Dragon Flexibility Edit
This ability unique to her clan of Dragonians allows her to be able to flex her body into in ways that would seem impossible. She utilizes this ability to dodge attacks.
She is able to transform into her True Form: Snake Dragon.It boosts her abilities and powers greatly.
She wields two sai's that she keeps attached to her corset.