Kim Jisoo, also known as Masewonder, is a Korean singer and songwriter born on October 28, 1994, in Jeonju. He debuted on October 25, 2015, with the single "Summer Night." In June 2017, his first mini-album Shonen Gate NY showcased his distinctive style as a "super rookie" rapper. He continued actively releasing singles like "How About You" and "Lalaola" until 2018. That year, he released his second mini-album 7ainbow, blending his unique style with more mainstream appeal. In 2019, he established his signature sound with tracks like "Logout," "Bang !," and "With you (Feat. TAKUWA)." In 2020, he released the EP NOTT}4me, 4you, 4us and singles such as "1" and "RPM." His single "Mon Ocean," released on September 7, 2025, entered Melon’s Top 500 chart at number 5 on the day of its release.
![[NOT] 4me, 4you, 4us](https://cdn-images.dzcdn.net/images/cover/181ce7bccc63b40031c5ebcf0d3a4922/120x120-000000-80-0-0.jpg)
