 "Top Seed" was the group's first full album release since "Season 2" (2014) and the group's first release since "Infinite Only" (2016).It marked the group's first release as a six-member group after former member Hoya left the group in August 2017.While fanmeeting on March 3, 2017 an unexpected black-and-white teaser video featuring individual shots and ended with the words "2017 May", which confirmed their next comeback schedule.