The mysterious...Wizard's Brain

It took me about a month to find what series this piture belonged to. I fell in love with it beacuse of the whole "I want to protect you" feel (shiver) it makes my heart tighten in bittersweetness (sigh)
The artist (not author) of this series is Keiichi Sumi, very famous for his not-so-famous beautiful watercolor work. I think one way to know you are deep in the world of manga, it's when you have to find specific names in japanese kanji to find the ONLY info to a sertain series. ToT It was hard... but so worth it (FYI: I used copy-paste, i do not know Japanese >.<)
I tried to find Wizard's Brain on import sites, but with zero succsess. I only found it (i think it has five volumes out) on Amazon.jp...and i don't have any Yen!!!!! Oh woe is me ;.;
I do not know the names of the characters yet (though, i think the girl's name is May...)
Bishie Obsessities: That guy in the pic
Pairing Obsessities: Those two...(for now...I hope YoY)