I'm the Only Guy in My Class After We All Transmigrated

A male college student and a group of campus beauties transmigrate together to an ancient tribe. The system selects him as the tribal chief and the only spark of fire. Each beauty has a corresponding profession to develop the tribe and fight off invading tribes. However, to obtain supplies and draw chances to strengthen the tribe, they must have sex with the chief. Let's watch as the campus goddesses daily elect a volunteer to shamefully have sex with the chief in front of everyone. Later episodes will likely feature group sex...