A massive quake and tsunami devastate northeastern Nihon. Accord engineers and Joseon-Nihon coastal guilds record the event, leading to the first tsunami walls and elevated shrines.
This is a work of fiction. Names, characters, places, and incidents are either the product of the author's imagination or are used fictitiously. All characters appearing in this work are fictitious or used fictitiously. Any resemblance to real persons, living or dead, is purely coincidental.