Kinichiro Imamura is trying to get high school right the second time around. So far, he's managed to reunite the old members of his school's ouenden cheer squad, saving the club from the brink of destruction, but his time traveling troubles are far from over. With the newly-revived ouendan tasked to cheer at their school's next baseball game, they'll have to cheer harder than ever if they want to bring their team to victory. To pull it off, Kinichiro the cheering newbie is going to have to learn from the very best ...

First published in Japan in 2011 by Kodansha Ltd., Tokyo, as Agein!! volume 1. Reads right to left.