闇堕ちラスボス令嬢の幼馴染に転生した。俺が死んだらバッドエンド確定なので最強になったけど、もう闇堕ち【ヤンデレ化】してませんか？

Delve into the world of 'I Was Reincarnated as a Childhood Friend of the Last Boss Who Has Fallen Into the Darkness,' a captivating Japanese web novel. The protagonist, Arx Fort, navigates the intricacies of 'Celestia Kingdom,' a world from his past life's otome game. Uncovering his crucial role as the childhood friend of the fearsome last boss, Arx strives to alter her fate and avert a tragic outcome. This narrative, encompassing action, fantasy, romance, and school life, intertwines themes of master-servant dynamics, mob protagonists, and time skips, providing a compelling storyline for readers intrigued by villainess characters and strong protagonists.