Dr. Katsuragi Takumi Has No Reason

Dr. Ge Cheng Qiao transmigrates into the world of Arknights. He expects to spend the rest of his life petting catgirls in this world full of beast-eared beauties, but to his surprise, all the familiar Kamen Riders are here too!

Rhodes Island medic Eiji Hoshino, the Special Investigations Division's Shinnosuke Tomari from the Longmen Police Department... Why do you all have no memories of the previous world line, yet transform so smoothly?!