Emilio sits at a table in Nekoya with Lucia, a lamia. He set out on his journey in hopes of overcoming his own worries, but he's not sure why he ended up coming all the way to another world. It all began when he met Lucia during his travels...

The mont blanc that a certain old maid brought back every week pleased the lord so much that he treasured it even in political settings. But the old maid passes away before he can even find out where she came from, and he's no longer able to acquire the mont blanc. So the lord sends an adventurer named Thomas to find the mont blanc for him.