I Reincarnated as the Villainess' Childhood Friend Who Falls into Darkness. If I Die, It's a Guaranteed Bad End, So I Became the Strongest... but Hasn't She Already Fallen into Darkness (and Turned Yandere)?
Yamiochi Last Boss Reijou no Osananajimi ni Tensei Shita. Ore ga Shindara Bad End Kakutei nanode Saikyou ni Natta kedo, Mou Yamiochi "Yandere-ka" Shitemasen ka?
