What if real life could "glitch"?

Reika and Yoko, two students, wander in a huge building, a real never-ending labyrinth defying imagination. Their only clue: a mysterious message on a low table, signed by Tagami, a famous video game creator, who seems to know more about this place.

What is the real nature of this place ? Why are Reika and Yoko humanity's only hope?


Note: Nominated for the 9th Manga Taisho Award in 2016.

In a faraway archipelago to the south, a lush, peaceful landscape can be found amidst an ocean of corals. This is the story of a beautiful island bathed in sun, its inhabitants and a girl who was reared by the ocean.(Source: Ritou no Umi prologue)

True friendship is something that is not easily broken. That is exactly what best friends Haruka, Yuki and Misaki have. The school girl trio lives in a town close to the ocean and spend most of their time together on daily adventures. From a nice day at the beach to their typical day at school or the fun night at the local festival, Haruka, Yuki and Misaki will be best friends forever...
(Source: MangaHelpers)