Soul Idle x King's Raid Collab START! Four legendary heroes suddenly stranded on an island in another world. Embark on a survival adventure with them, and discover various events and abundant rewards! ★ To Celebrate the Collaboration New SS-Rank Hero 【Sonia】Appears! ★ ★ To Celebrate the Collaboration New SS-Rank Hero 【Aisha】Appears! ★ ★ Collaboration Limited Event 【Dragon Raid】Update! ★ ★ Challenge the Glorious Throne! New Content 【Blood Arena】Now Open! ★ A secluded island untouched by the living. A boundary between life and death, where lost souls gather... Amidst the ominous aura beneath the blood-red moon, a survival battle unfolds to seize tomorrow. I want to escape from here. Is she a girl or a monster? Discover the thrilling twisted charm of the girls under the moonlight!