Onaka ni Ippai, Ayakashi no Tane

In a world where humans and ayakashi coexist, a young woman named Yuki finds herself unable to satisfy her insatiable hunger. She discovers that her cravings are tied to a mysterious seed planted inside her by an ayakashi. As she struggles to control her appetite, she encounters various supernatural beings who offer both help and danger.

Yuki must navigate a hidden realm of ayakashi while dealing with the consequences of the seed's growth. Her journey leads her to confront the true nature of her hunger and the secrets behind the ayakashi's intentions. Along the way, she forms unlikely alliances and faces threats that test her resolve.