The first two chapters of Engage debuted in the 1990s, and the sequel continued in 2015 with new chapters that were compiled into a volume titled Hoshi no Hitomi no Silhouette -Seishun Finale- (Youth Finale) in 2017.
A sequel titled Hoshi no Hitomi no Silhouette ~Engage~ followed the characters as they graduated high school and began college.
The story is set 20 years after Hoshi no Hitomi no Silhouette.
The manga follows best friends Kasumi and Mariko, who both fall in love with the same person.