India, July 22 -- K-pop groups such as BTS, BLACKPINK, TXT, EXO, Stray Kids, GOT7 among many others are a rage across the world. They even have their own fandoms. So what sets apart K-pop group Big Ocean? Well, for the unversed, Big Ocean is the first hard-of-hearing group in K-pop and they are winning hearts with the use of sign language in their songs.

The group, formed under Parastar Entertainment, debuted on April 20 last year with the single Glow. This coincided with the Day of Persons with Disabilities in South Korea. The group consists of three members--Lee Chan-yeon, Park Hyun-jin (PJ) and Kim Ji-seok.

They trained for nearly two years before their debut. Each of them has different levels of hearing loss. While Ji-seok was born ...