Ryan's Dream Chaser (Harem Version)

My mother's condition suddenly deteriorated and she could only live for another month at most. Ryan looked desperately at his mother lying on the bed, at a loss. The grandfather beside him took him back to the aviation bureau, told him that he was a descendant of aliens, and suggested that he take his mother back to Planet Y to cure her mother's disease. In order for his mother to wake up as soon as possible, Ryan thought over and over again and decided to accept this adventure! What exciting things will happen next? Let us follow Ryan to pursue his dream. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.