Kaya is a joyful girl trying to please people, she hardly know how to say no even when Natah wanted to fatten her up. She's very shy, making her embarassed by her own doubts. Don't get wrong, she doesn't get embrassed or shy for sexuality or kinks, being the "normal and expected" way to live.
Short Story
Kaya is born in Akasen, making her not so much of a story to talk about. The same day her Flowering ended, Natah went to corrupt her into gaining weight "just to try", making her a permanent guest of the Yellow House, and a future loyal Employee