Usotoki Rhetoric Volume 7

Kanoko and Soma spend what little cash they have on a train ticket. From Tsukumoya Town, they travel to where Soma' s older brother Atsushi lives. With Kanoko' s power to hear lies, they aim to uncover clues as to why Atsushi set that trap for his younger brother Soma. But along the way, they end up hearing a lie about a possible affair happening between Atsushi and his wife?!