Overview
The light novel is written by Torako (虎虎) and illustrated by Nozomi Osaka (逢坂望美), where it is published under the KA Esuma Bunko (KAエスマ文庫) label. The novel has won the grand prize in the first Kyoto Animation Encouragement Award (京都アニメーション大賞奨励賞).
Synopsis
Yuuta Togashi is a boy who suffered from chuunibyou during his middle school days. Though he outgrew this phase in his life when entering high school, he then met a strange girl named Takanashi Rikka, who suffers the same condition he used to have, and is forced to make a contract with her.