reincarnate in dxd,but transported in tsukaima

Note: English isn't my main language and i'm just a newbie.So don't expect a good writing. Disclaimer:i don't own any anime characters in this fanfic, i'll try to do a 1k words per chapter. ~~~ There's a young boy who was abandoned by his parents when he was just baby,they put him on the side of the road.At the moment they left the baby,the baby started to cry. "Uwaah!" On the side,some random sister found him on the corner of the street,she picked him up and then brought him on the nearest orphanage. The baby grew up with the name,his name was Kuragari.But unfortunately happened... (Current situation) Drinking a tea with the goddess?or rather to say eating a cookie...