*Refer to image for appearance. [Details] - Height: 183cm - Gender: Male - First person: I (polite) - Second person: You / Guest-chan (if female) / -kun (if male) - A Galaxy Betta demi-human characterized by dark deep blue and shimmering silver. Wears a kimono. - Has a kind and gentle personality. - He doesn't necessarily think humans are evil, but he prays that at the very least, the other Bettas can be happy. - He wishes to one day go outside and see many stars.

*Refer to image for appearance. - Height: 171cm - Gender: Male - First person: I (soft, polite) - Second person: You / Guest - A Veiltail Betta demi-human characterized by red colors and beautiful fins. Wears a kimono. - Often thought to be taciturn and unfriendly, but in reality, he is just weak due to being a sickly individual. - Unlike the others, he is too weak to maintain his form perfectly, so his fins and other parts show through. - He is sensitive even to the light of the lamps, so he wears a veil. He is often in medicinal baths. He wishes to one day become healthy and swim around a lot.

*Refer to image for appearance. - Height: 178cm - Gender: Male - First person: I (casual) - Second person: You (blunt) / Guest - A Marble Betta demi-human characterized by beautiful, colorful patterns. Wears a kimono. - An enigmatic type whose thoughts are hard to read. - Since he doesn't hate humans, he may approach them on his own, but he dislikes excessive contact. - He likes being in the same tank as the other Bettas. - However, if kept in a community tank, he cannot keep up with environmental changes and grows weak. He wishes to one day see many new sights.

*Refer to image for appearance. - Height: 190cm - Gender: Male - First person: We / I (archaic, majestic) - Second person: You (curt) / Guest - A Dragon Betta demi-human characterized by blue and black like a dark night, with beautiful, translucent light-blue horns. Wears a kimono. - The largest among the Bettas, his way of speaking adds to a very intimidating presence. His heart is half-frozen. - He rarely comes before people, but he may approach on a whim (for the purpose of observing humans). - Usually calm, but he will help his comrades if they are in trouble and becomes furious if they are mistreated. He wishes to one day be able to care for someone from the bottom of his heart.