Transported to a kingdom in another world with her friend, Michiru finds herself in the care of the handsome knight, Cainlotte. His demeanor is as cold as ice... But it turns out he's embarrassingly sweet to the point of being overprotective! Will there be a limit to her big-brotherly knight's fawning!? Find out in the long-awaited comicalization of this romantic comedy about an everyday girl who was just in the wrong place at the right time! (Source: Renta!)

Isekai Trip no Wakiyaku Datta Ken has been published digitally in English as That Time When I Was a Side Character in a Magical Journey by Renta!