Resized to 69% of original (view original)
Artist's commentary
"Ara-ara, you're so cute, are you my Master?
Seems that I, Minamoto no Raikou, have been summoned under the Rider-Class.
In this form... seems like I'll need lots of your Mana to sustain it!
Oh, I'm a rider, but didn't bring a mount? You're about to find what I ride, ufufu~"