Mofuku no Dinner Party

Ninamori Tosa, driven by curiosity, left his sick bed to visit Hokage Island, where his friend Izumine Masatsugu resides. He was later discovered dead. His twin siblings, Kisa and Mei, travel to the island to investigate the circumstances of his death. Mei intends to seduce Masatsugu while both search for answers. However, an unexpected meeting at the island’s mansion alters their strategy. The story explores the events surrounding Tosa’s death, the nature of a mentioned "curse," and the possibility of Kisa developing feelings for Masatsugu.