Donten ni Warau Gaiden: Ketsubetsu, Yamainu no Chikai

曇天どんてんに笑うわらう<外伝がいでん> ～～決別けつべつ、、犲の誓いちかい～～

A series of side stories of Donten ni Warau series. Some of the stories take place before and some after the end of the main series.