Kane wa Kanojo no Mawarimono

is a Japanese light novel series written by Yui Tokita, with illustrations by Hiiro. The series began publication on January 10, 2012 by ASCII Media Works under their Dengeki Bunko publishing imprint.

Synopsis
Toru, a high school student who suddenly bears the debt of 20 million yen left by her mother.

It was Akane, a beautiful lady who attends the same school, who saved the pinch on the verge of running away from her sister at night. Toru carries out a "servant's gratitude tactics" to his benefactor, Akane, but Akane, who has fallen into misanthropy due to a certain incident, cannot believe Toru ... At that time, at Akane's birthday party, an incident that trampled her heart broke out again ─

─ The servant's sincerity warms the cold heart of the young lady A warm romantic comedy!