G-Mode Archives+: Tantei Kibukawa Ryousuke Jiken-tan Vol. 2 - Kairoukan Satsujin Jiken

Kailoukan is a strange building surrounded by the sea on all sides. Inside this mansion sealed off beneath the water, a tragedy begins. Six months after the events of Masked Fantasy Murder Case, game scenario writer Ikurumi introduces a new incident at the mysterious Kairokan. The building was reportedly constructed by the former chairman of a famous architectural company as an unusual private mansion, and the story begins when the protagonists are invited to its inauguration. Seven guests arrive, but the mansion's owner never appears. Then tragedy strikes inside the sea-locked mansion. Who is the culprit, what is the motive, and what secret is hidden within the building? The truth lies in the dark sea.

G-Mode Archives+: Tantei Kibukawa Ryousuke Jiken-tan Vol. 2 - Kairoukan Satsujin Jiken is a murder mystery set six months after the Masked Fantasy Murder Case. Seven guests assemble for the opening of the isolated Kairokan mansion, surrounded by the sea, but the owner never appears. As tragedy unfolds, the mansion's hidden secret comes to light.