Kagekuri Kitan

Briefly about Kagekuri Kitan manga:

Hajime Ichinose is a young, lighthearted boy who just wants to be an average student, but due to his inability to throw shuriken he's been labeled a ninja failure by his peers. When a beautiful girl invites him to a ninja school, it seems like Hajime has finally found where he belongs. But there's more to being a ninja than throwing stars and defeating enemies with eye-catching skills. What other skills will Hajime learn at this new school?