Brown skin, beautiful woman's primary sex

A very ordinary working adult and Sakata Takashi. One day, my father, who is a archaeologist and travels abroad, "I found something good at an antique store so it's a present for you." And the package arrives. "Oh...but what is this... well, I can roughly predict it..." As I was taking out the junk item (?) that had arrived, a pyramid-shaped ornament came out from the bottom. I was thinking about whether to put it on an online auction with a pretty good design. I end up neglecting my hands and accidentally slipped. "What, what?!? What is it?!" As soon as I dropped it, the head of the ornament came off, and white smoke began to flow. It erupted in one go, and in no time I went through the room...and then opened my eyes timidly... A woman straddles me, lying on my back on the floor. She's a pretty big, dark-skinned foreign beauty... I can't understand anything anymore. "It's not a dream, Ryuji. Warawa is Rela... it's best to call you Rela. Hehe, he's not that silly, but he looks quite greedy.Have you unlocked the seal of warawa?” Ignoring my confusion completely, the mysterious woman, Lela, brought her face closer to me. "Warawa hasn't eaten in a long time and is hungry. I'll give you the honor of being a food product.It's been a while since I've had a meal, I'll suck it all out...