Every time I travel, I'll turn Male

When the reincarnation throw Kaira off the cycle of reincarnation, she was chosen by a System. A system that assists a qualified host who would take tasks from different worlds and gain cosmic energy for them to evolve.

Becoming a World Traveler was something she never expected but to live a good life in a place that is beyond what she could comprehend, she accepts tasks with her system but... Why is she always a male in those worlds!?

Cold CEO Heroine X Beautiful Male Protagonist(Ongoing)