Kono Isekai De Ummei To Tsugau Jujin Alpha Ha Yasashii Kedamono summary:

"I'm glad you're my destiny."One day, Haru of Ω woke up in an oasis in the desert and felt a trembling sensation all over her body when she saw a black beastman appearing in front of her. In a situation where he has lost his memory and does not even know his own name, Viano, the α, who is the leader of the black panther tribe and who himself summoned Haru, speaks gently. "This is a world ruled by beastmen, and it's the turn of fate for me and Haru." Haru, who knows this world and spends his days with Viano, feels an irresistible passion and emotion. However, Haru, who cannot conceive Viano's child no matter how much she wants, finally puts herself in a dangerous situation...and remembers. The memories of his former world and the meaning of losing those memories -...