When a high school cruise ship slips through time to 1636 Japan, athletic student Hayumi Natsuki is cast into a historical nightmare. Mistaken for the deceased rebel leader Amakusa Shirou, she must guide desperate villagers before a bloody rebellion begins.

Transported back in time just a year before the tragic Shimabara Revolt, Hayumi and her classmates find themselves stranded in a harsh feudal era. To survive and protect the local villagers, Hayumi reluctantly steps into the role of the prophesied savior.

Embracing the identity of the late Amakusa Shirou, she faces the monumental task of reshaping history to prevent a massacre. This compelling historical drama blends time travel with tense political survival.

In the historical fantasy manga Amakusa 1637, high schooler Hayumi Natsuki is time-warped to feudal Japan and mistaken for a legendary savior.

Amakusa 1637, Amakusa 1637 manga, Michiyo Akaishi, Hayumi Natsuki, Amakusa Shirou, Shimabara Revolt, Historical Fantasy, Time Travel, Feudal Japan, Complete Manga Series