Hanasei Species Page



Hanasei are large, amphibious creatures that tend to live near riverbanks and lakeshores. The species is known for being carefree and tranquil if a bit curious. Their gills, long bodies, and tails have let them become masters at traversing ravenous river currents.

They live together in groups of 3 to 8 individuals. These groups will often gravitate towards other groups, and a large collection of these groups is called a “wave”. They are self-sustaining, with no distinct leader.

Biological Info

Height 6’ to 9’ (1,80m to 2,75m)
Weight 200 to 450 lbs (90kg to 205 kg)
Lifespan 120 to 150 years
Diet Omnivorous
Sleep Pattern Varies


Hanasei are asexual, possessing no sexual organs. They show no signs of sexual dimorphism and lack the concept of gender altogether.

Hanasei do not have a proper sleep pattern, rather showing signs of idleness but high vigilance, “waking up” easily. These idle periods may be scattered throughout the day. However, as their skin needs to be hydrated at least 2 hours per day, most sleep in bulk underwater to avoid interrupting their day-to-day activities.


Body Types


Hanasei show a great deal of body type variation. Lithe bodies are usually found in rivers, while bulkier individuals are more common in lakes and oceans.


Hanasei heads are small and elongated. Their nostrils are above their eyes.


Their head shape and jawlines show decent variation

Their horns are made of a keratin-like structure, extending from the start of their nostril to the back of their head.


Mismatched horns are common. You are free to experiment with their horn shapes.

Their eyes are small and round. The pupil shapes can be anything.


Their tongues are slightly long and forked. The insides of their mouths are the same color as their Aether.

Their saliva is thick and sticky, and they have one pair of teeth on the roof of their mouth, making their bite hard to escape.


Hanasei do not blush. Rather, when they feel strong emotions (embarrassment, happiness, etc), their cheeks expand and change color.
The color that takes over is their aether color. When these emotions pass, the cheek relaxes and returns to its natural color.


Hanasei can expand their cheeks manually. Most use it for comedic effect. Cheeks can be any shape.


Hanasei have two to three pairs of gills on both sides of their necks and are able to open and close them. Their gills allow them to breathe underwater and to speak.


With a powerful vocal system, Hanasei are able to imitate any sound and manipulate their pitch and volume.

They are able to speak underwater, but since they also use their gills for breathing, they cannot do both at the same time.


Out of the water, they breathe through their nostrils.


Hanasei’s arms are long and thick. Even weaker individuals have strong arms.


Hanasei’s legs are short and stocky. They help to maneuver underwater, but their size makes the species clumsy and slow on land.


Their hands have three fingers and one thumb. They look similar to claws but can grasp and handle objects normally.

Their feet have four toes, which can be short or long. The exterior toes are smaller than the interior ones.


They are dexterous but lack the fine motor skills of their hands.


Sometimes, hands and feet may show webbing. It allows for better swimming, but hand webbing is uncommon as it hinders grasping objects.


Hanasei’s tails are their main tool for swimming, and their length varies.

• Smaller tails are around the size of their torso and are sturdy but slow.
• Larger tails can be twice as long as their body and are faster but frail.
• Average tails are the same size as their body.

The bases of their tails can be thin or thick. The slimmer the base, the bigger the fin size, while thicker bases have smaller fins.


The tail doesn’t need to be fully covered by fins.


The style of their fins can vary. The more intricate the shapes, the more likely tears, and injuries are to happen.
You are free to experiment with shapes and sizes.

Aether & Growth Cycle


Unlike other species of Koegama, Hanasei don’t have the innate ability to control Aether.

Rather, their Aether is the same as it was when they were embryos; it contains their DNA and was used as stem cells in their development.

As adults, they use the DNA-filled Aether stored in their cheek pouches to create their eggs. By combining the Aether of two individuals, a new egg will be fertilized.


Growth Cycle


0 - 20 days

Hanasei’s eggs are gelatinous but resistant and hard to penetrate. They often clump to other eggs, and embryos can be observed moving inside and transferring to other eggs. This behavior is common before hatching.

They are made of Aether and can be created and stored before fertilization.

20 days - 3 months

The larva is the first stage of Hanasei growth. They are the size of a small dog and are fully aquatic.

Hanasei will often feed and protect larvas, creating “nurseries” to hold them.



3 months - 1 year

Nymphs are slowly developing the structure for the horns and sprouting tiny arms and legs. They are large enough to not be predated and are very lethargic, save for feeding. This makes them easy to handle.

They slowly develop cognitive skills. Their brains are comparable to human toddlers, and they begin to learn simple concepts, like words and colors.

1 year - 5 years

Hanashita finally grow proper arms and legs, and their horns start to develop. They begin fully aquatic, but their lungs are developing and will allow them to walk on land after a year or two. Their bodies will grow and change a lot in these 5 years, aided by the species’ Aether.

This stage shows explosive growth mentally. Hanashita are active, curious, and can start learning more complex subjects. Despite being the age of a human toddler, they have the mental intelligence of a 10-year-old.

It is common for Hanashita to develop headaches due to their mental growth. Medicine is made to quell these growing pains.



5 years - 20 years

Hanasu are very similar to the adult Hanasei. The only major difference is their smaller stature and underdeveloped cheeks.

Hanasu are fully independent, and they will often choose their own path. Many continue their studies until they hit 10 years, where they begin exploring Koegama.

Many form groups of old friends to travel with and are known for causing trouble where they go.

Size Comparison