Kasai has short red hair that fades to yellow at the tips, and has orange eyes. Their skin is light in tone, and they have freckles and a slight blush. They wear short stockings (longer than those of Kuu, shorter than those of saki) that are black and have a rainbow fade at the bottom.
Kasai is very hot headed, and also loud mouthed. Kasai can be considered to have Anger Issues, and is likely to be attending something to deal with them.
- Kasai's name means "Firey Passion".
- This is because their personality was decided before their name
- Kasai is a bean on the inside