You in Full Bloom(2003)

Kimi ni Hanakazari: Seikimatsu Teppen BOY

From Shoujo Magic :
This is the latest book in Ohya Kazumi's "Seikimatsu Teppen BOY" series!

1) Ornamental Flowers for You (Kimi ni Hanakazari): Living in the city and never revealing their true identities are the NINJA BOYS, Hikaru and Takeru. Hailing from the "Timeless Village," they move in secret, using their special abilities. Where they go, a storm of accidents and women trouble is bound to follow! Now, a new maiden appears and presents a turbulent development!?

2) Your Blue Star (Kimi no Aoi Hoshi)

3) The Miracle of Your Eyes (Kimi no Hitomi no Mirakuru)