Jus2 () is a South Korean duo consisting of Jay B and Yugyeom. They were formed by JYP Entertainment and released their first EP, Focus, on March 5, 2019. It is the second Got7 sub-unit, after JJ Project.
The duo's name is "a combination of the words just and two" according to member Yugyeom.
On February 13, 2019, JYP Entertainment announced the formation of a new Got7 unit which would debut sometime in March. It was later revealed that their debut EP, Focus, would be released on March 5 and would contain six tracks with "Focus On Me" as the title track. The music video for the lead song was released on March 3. The duo held their debut stage on Mnet's M Countdown on March 7, 2019. Focus debuted at number 6 on Billboard World Album Chart.
They released an OST for He is Psychometric, called "Take".
On January 19, 2021, following the expiration of their contract, they left JYP Entertainment.