What? ! Mori Owai in the parallel world is a girl and a cute little sister. Hey~ What kind of relationship can the gentle and lovely Nana-chan have with Mori Zai? Sure enough, girls are treasures!
As an experimental subject, Nana-chan was born in hell. The changes caused by her supernatural powers gave her the ability to travel through the world. She left Yokohama early to find her own redemption. It was also different genders and experiences that created the only treasure in the world - Mori Onai.
Concept: Warm and healing