Season 1

Ai is a merry gravekeeper, spending her days digging empty graves for the villagers. No one has died in the village since her mother passed away years ago, but that is all about to change with the appearance of a handsome young man...

Ai meets two new people throughout the course of the day. The first is a "real" gravekeeper, who brings surprising news with her.

While on their journey, Hampnie Hambart gets taken by a gang of deceased! Now it's up to Ai, Julie and Scar to save him. Along the way, Ai comes to a stunning realization...

After Julie fixes an abandoned van, the group is ready to set out on their journey.

With Diva's help, Ai becomes good friends with Princess Ulla! Ai is constantly impressed with how happy the deceased in Ortus seem. But beneath the dazzling exterior, she is starting to catch glimpses of the darkness that shrouds Ortus...

When Ai goes to tell Ulla about the Admission of the Living Ceremony, she discovers that Ulla is Koroshiohake.

Ai finds herself trapped in Goran Academy, a “concentration camp” for children with special powers. Unwilling to give up her dream of saving the world, Ai must break out. Fortunately, some of her classmates are already working on that.

It’s just about time to escape from Goran Academy and Ai is determined to leave with everyone in Class Q. However, Tanya doesn’t want to leave the confines of the school.

Ai and her group of friends go on a journey to find Scar. The journey takes them to Story Circle, the land where gravekeepers are born. Inside the foggy land, everyone must overcome haunting illusions.

Alis take Ai and her friends to his world--a world that can only be saved by destroying it. The students of Class 3-4 have created an enclosed world that loops in time. Alis may want to destroy it, but he has an enemy in his way...

Throughout the years, Dee has been destroying any outside information Alis brings in.

Ai and Alice play basketball together, and when Dee overhears Alice's conviction to sacrifice anything he must to free Class 3-4, she decides she will create her own world by first destroying the old.