Despite the ambiguity surrounding Oni.Chi.Chi, the term has gained a significant online presence, with various communities and forums discussing and sharing information about it. Online platforms such as social media, Reddit, and specialized forums have given rise to a dedicated community of individuals interested in exploring the mysteries of Oni.Chi.Chi.
Based on early concept leaks and a teaser visual (a half-oni teenager wearing a tattered school uniform while slurping instant ramen beneath a shrine gate), the plot likely follows: Oni.Chi.Chi
The plot centers on a new family. Sisters Marina and Airi live with their mother and new stepfather, Kouzou Akizuki, who is also a teacher at their school. Despite the ambiguity surrounding Oni