The day before her birthday, Akane is asked to retrieve her birthday present from her aunt Chi's shop. While looking around, she chances upon a mysterious slab with a hand-shaped cavity in it. Curious, she places her hand in it, and—to her surprise—it fits perfectly. The next thing she knows, a strange alchemist named Hippocrates and his apprentice Pipo appear, calling Akane the legendary Goddess of the Green Wind. The two eccentrics claim to be from a different world connected to the shop's basement. With the peace of their world in jeopardy, Hippocrates and Pipo seek the help of the only one capable of saving it from destruction: Akane. Forced to accompany them on a journey to restore the land's harmony, Akane—with her aunt in tow—sets off to discover a magical new place.

Tamaki Tsuru joins Aonagi University in hopes of making friends, getting a boyfriend, and living a typical university student life. She decides to try out for the tennis club in order to make friends and avoid anything too athletic. But when she is distracted by a model glider during tryouts, Tamaki ends up hitting a tennis ball right at it, smashing it into pieces. Daisuke Sorachi, a member of the Aviation Club, demands that she pay for the damages. Following the incident, Aviation Club captain Jun Kuramochi tries to goad Tamaki into joining their club, but Tamaki refuses. Not wanting to lose a chance at recruiting a club member, Jun orchestrates a way for Tamaki to earn the money to repay her debts and gives her a boyfriend in the process. While she joins the club reluctantly, Jun seems to have other plans for their newest member.

Deemo is a mystic character lives in solitude, a castle, all by itself. A little girl falls from the sky, not knowing who she is, where she comes from. To help the little girl back to her world, Deemo comes to realize a tree keeps growing tall on top of the piano whenever it plays. What would Deemo do when it gets comfortable with the companionship it never had before? What if the little girl couldn't deal with the truth when her seemingly lost memories regained?! (Source: Official Site)

One year has passed after the great battle against the Orochi (gigantic snake). Tenka had been paralyzed from the final battle and he took part of the government's human experiment before the battle. Tenka withdrew himself from society, but his younger brothers, Soramaru and Chuutaro, find out the secret past about their older brother. (Source: Amazon Prime Video)