(Clockwise from top left) ENHYPEN's Ni-ki, Heeseung, Jungwon, Sunghoon, Jay and Jake (Instagram) Ni-ki (real name Nishimura Riki), 15, the Japanese member of rookie K-pop boy band ENHYPEN, tested positive for coronavirus disease (COVID-19). The idol group’s agency, BELIFT Lab, announced on Sept....