ŌĆśWorld is ONEŌĆÖ is a K-pop global charity concert. Oh My Girl, Super Junior, Mamamoo, Stray Kids, SF9, APRIL, N.Flying, WJSN, KARD, Ha Sungwoon, Heize, Hip Hop Girls, and more are scheduled to perform. JihoŌĆÖs group Oh My Girl released their 7th mini-album ŌĆśNONSTOPŌĆÖ in April. The following is the official statement from WM Entertainment: Hello, this is WM Entertainment. Oh My Girl Jiho, who was planning on performing in todayŌĆÖs ŌĆśWorld is ONEŌĆÖ online concert, said she felt sudden muscle pain during rehearsals. After going to the hospital, the doctor informed us that Jiho has tendonitis. Per the doctorŌĆÖs advice, she will not be participating in the performance and will rest instead. The ŌĆśWorld is ONEŌĆÖ performance will be held as a six-member stage. We ask for your understanding. Source (1)