Yokosuka-based rap group Jen9a of JUS'MINE has begun distributing their new single "In my world" on various streaming services. with producer ybomb. This is their first collaboration since their 1st EP [COAST] released in 2021. The collaboration is the first since Jen9a The new single "In my world" is a combination of ybomb's positive beats and Jen9a's positive rap. Jen9a's positive rap combined with A song that naturally makes you want to shake your body.