The Mysterious Death of Ninamori Tosa

On a desolate island owned by his friend Izumine Masatsugu, Ninamori Tosa's life was tragically cut short. His twin siblings, Kisa and Mei, set out to uncover the truth behind his death. Their initial plan is to use Mei's charms to seduce Masatsugu while they investigate the island, but their encounter with him prompts a change in their strategy. As they dig deeper, they will face a tangled web of secrets and desires. Join the twins on their perilous journey to uncover the truth and navigate their own complicated emotions.