The setting is different from the Kodansha version and is not directly a sequel.

One day, Kaiusagi Shirahase, an idol in a popular boy band, is involved in a car accident on his way to a show at the dome arena. The scene changes to a medieval fantasy world. The heroine "Coco Nina" is on her way to the cathedral for her coming-of-age ceremony. Coco is ecstatic as she receives the blessings of the Goddess with the power to protect this world. However, that was when an unfamiliar memory rushes into her mind. I know this… I know this memory… I… I am Kaiusagi Shiranase! (Source: COMIC Isekai Harem, translated)

Little Sheriff Kid protects the peace of the universe!

At the beginning of the Showa era, just before Japan headed for the war, the traveling entertainers Hanabusa and his wife, the head of the Brahmumi, who was a patron, would keep a secret actress and bookmark for a big actress. The father-in-law has a desire for a beautiful bookmark, and the two drown in an obscene relationship. Eventually, the Pacific War began, and Shiori was called with his father-in-law to a send-off party for the expedition of Takashi's son, Takashi. It was.