GENRE

AdventureRPGHorror

DESCRIPTION

“Cthulhu” + “Ryugu” — A Supernatural Adventure RPG Set in Showa Japan!

A supernatural adventure RPG themed around “Cthulhu” and “Ryugu Legend,” depicted in HD-2D style. Set in Japan during Showa 40 (1965), the protagonist and a mysterious trio of sisters encounter bizarre incidents related to an “Evil God” in the enigmatic town of Insuma!

(Story)

Japan, Showa 40 (1965), swept up in Kaiju boom.

Kyotaro Karinuma, a writer, visits the mysterious town of Insuma to cover a new SFTV drama created to counter Kaiju.

In this bustling town preparing for a strange festival dedicated to worshiping fish, Karinuma encounters three mysterious and beautiful sisters who introduce themselves as Nagisa, Rin, and Sara.

But as if drawn by fate, shadows of an “Evil God” and its minions begin to creep toward them.

A mysterious murder said to have occurred before the war!?

An ancient “Ryugu legend” passed down in the village!?

And what is the secret of the “Princess of Ryugu” who slumbers within the “Ryugu Castle”!?

Now, in the mystery-shrouded Insuma, the adventure of Karinuma and the three sisters begins

(Introduction of Development Staff)

●Direction/Programming Shunichi Takase (Tokusatsu Zero)

Retro game designer.

His representative works include “Tales of a Hundred Worlds (NES)” and “The Fortress of Necros (PC Engine)”.

●Scenario Norihiko Asao (Mujinto)

Writer(Science Fiction Writers Club of Japan) and film producer.

Representative works: Film “Ryugu no Tsukai” Novel "Cthulu Isekai e! (Seishinsha), etc.

●Music: Sayu Yamamoto (Violin Sayu Channel)

Violinist and Youtuber.

She is currently posting videos of her performances of mainly game music, special effects from the 70s and 80s, and anime on Youtube “Violin Sayu Channel”.

●Character Designer Toru Yoshida

Animator and designer.

His representative works include “Armored Trooper Votoms,” “Aoki Ryusei SPT Reisner,” “Mobile Suit Gundam 0083,” “Mobile Suit Gundam SEED,” etc.

(C) Ao Publishing / Mujinto

RELEASE DATE

2026-02-01

BOOTH NUMBER

3F-D21