Seyvos von Lasrich

 is a character in I Shall Survive Using Potions! (Light Novel) series written by FUNA.

Background
Viscount  is a Viscount in the Kingdom of Jusral who governs the Lasrich's Fiefdom. His fiefdom has suffered a bad harvest for several years and is looking for a secret treasure hidden by his ancestor Corlacus von Lasrich. With Kaoru Nagase's help, he is able to locate the treasure.

 is also a company commander for the Royal Army.