Shinobi Undercover, Vol. 2

Yodaka's fears about his first high school sports festival have to take a back seat when a powerful rogue ninja attacks! Yodaka has his hands full trying to help Aoi escape danger while his squad mate Umineko fights a strange foe who can seemingly make things explode from any distance. When the fight proves to be too much for Umineko, Yodaka steps in and demonstrates why he's assigned to protect Aoi!

Volume 2 of the Shinobi Undercover manga series by Ippon Takegushi.