とある魔術のヘヴィーな座敷童が簡単な殺人妃の婚活事情
Kamachi, Kazuma, Haimura, Kiyotaka, Karasuma, Wataru, Inue, Shinsuke, Mahaya, Nagi, Ryou, Asakura, Ryousuke, Hara, Tsumoi, Kasai, Shin, Ikawa, Waki, Taishou, Tanaka
Kazuma Kamachi's 10th anniversary special novel involving characters from several of his works. The universal timeline it takes place in is the Norse world of The Circumstances Leading to Waltraute’s Marriage.
