Kare to Kanajo to Soukan Mahou

is a Japanese light novel series written by Tsukasa Kouzuki, with illustrations by BUNBUN. The series began publication on October 10, 2004 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Carre: Yuya Minase. Private Kazamino High School first grader. Very clear brain. No tension. No fear. I'm interested in big tits. Girlfriend: Yukiko Shirogane. Private Kazamino High School first grader. Good looks. Excellent athletic ability due to the influence of past "treatment". Rough personality, commonly known as "Snow Princess". No chest circumference! Summoning magic: Eight years ago, when Kanojo was seriously injured, Kale went to save Kanojo. The summoned demon is Lilu. The thing that Kale lost due to the contract is tension and fear. Kale, Kanojo, and Summoning Magic: A story about Kale and Kanojo trying to find Lilu according to a contract in order to regain the lost feeling.