Kizoku Tensei: Gaiden—14-sai Noa no Musou Ryokou

A legitimate spin-off of "Noble Reincarnation ~Gaining the Strongest Power from a Privileged Birth~". The honeymoon trip of Noah, one year before he entered his fiefdom in Almeria, which was not revealed in the main story, is brought to life in stunning artwork!! Noah thought he needed to understand the common sense of ordinary people before entering his fiefdom. It was supposed to be a peaceful trip, but...!? Noah's unstoppable power doesn't stop even on vacation--!!

(Source: Square Enix, translated)