Ten years of destiny begin with the prologue; two worlds collide in ancient enmity! From inter-dimensional wars to time travel, from the tangled feuds of four clans to the cycle of fate—every choice you make rewrites the destiny of both realms. Will you uphold your family's glory, or shatter the chains of fate? Define the ending of this adventure filled with betrayal, protection, redemption, and temporal paradoxes! In a superpowered world parallel to reality, strength reigns supreme. For a century, the Xuanyuan Clan, the ancient guardians of the night, and the Tiansheng Demon Palace have stood in bitter opposition. The sudden appearance of a legendary treasure is about to break this fragile balance... Core Features Character-Centric Narrative: Experience the story through exclusive character perspectives, no omniscient view. Uncover twists and turns from clan annihilation, festival assassinations, slave gladiatorial fights, and factional power struggles in the other world, to time travel, identity displacement, and soul fusion in the modern world. Branching Destinies: Your choices trigger dozens of story paths, leading to multiple endings—bandit chaos, military mutiny, redemption, life-and-death arenas, and double crosses. The rise and fall of clans, and the fate of all characters, are in your hands. Original Story & Expansions: Faithfully adapts the core other-world plot of Sister Complex Is Justice, while adding massive exclusive character side stories and hidden content. Enjoy the classic Ren'Py interactive experience paired with exquisite character sprites for an immersive journey of passion and tragedy. Playable Characters Xuanyuan Lin (Xuanyuan Clan): The talented young master and a 3-star esper. Once innocent, his personality was forever changed by a tragic incident. Ling Na (Tiansheng Demon Palace): The palace's saintess, who became a 3-star esper at 13. Beautiful and powerful, she rules a vast faction yet is bound by the Purple Butterfly Pact, torn between power and her true self. Qin Feng (Qin Clan): The eldest son, who survived the Xuanyuan Clan's massacre of his family. Bearing the blood feud of his sister Qin Lan, his special Spiritual Vessel body allows him to transfer powers. He walks the line between vengeance and brotherhood with Xuanyuan Lin. Yi Haocheng / Yeyou (Yi Clan): An orphan reduced to slavery, renamed "Yeyou" by Ling Na. He appears weak but harbors immense potential. Key Characters Dizun (Xuanyuan Zun): Leader of the Xuanyuan Clan, a 4-star esper—calculating and unscrupulous. Xuanyuan Jia: Xuanyuan Lin's father, a quasi-4-star esper. Xuanyuan Mengrou: Xuanyuan Lin's mother, gentle yet scheming. Xiaoze Huizi: Orphan of the Japanese Yeshen Clan. Yeshen Kongying, Yeshen Liuli: Daughters of Xiaoze Huizi. Ling Xiaoyu (Tiantian Blade Sect): The sect leader's daughter, a 3-star esper at 16 with a fiery and competitive spirit. Shenxu: Ancestor of the Yi Clan, a mysterious monk nearly 200 years old. Ling Ye: A master of the Tiansheng Demon Palace, holding a grudge against the Yi Clan for a facial scar. Ling Xiao: Ling Na's uncle, the palace's grand elder and a 4-star esper—her most trusted backer. Ning Xiaojie: A genius of the Ning Clan with awakened special mental abilities. Gu Zhiqiu: Orphan of the Gu Clan. Qin Lan: Qin Feng's younger sister, whose death drives his revenge Yi Tengcheng / Ye Yangui: Parents of Yi Haocheng. Chu Lianyi: A disciple of the "Heavenly Gate" in the other world—cold and immensely powerful.