Harry Potter: Beyond the Parselveil (Multiverse) - Chapter 180: Side Story (18) - A Princess at Her Studies

A world full of magic and wonders, where dragons stand for metals, sprites stand for farming, knights cultivate qi, mysterious wizards dwell. In this world, a man who had transmigrated into the body of a baron, follows the prompts of mysterious symbols to change his destiny.

- Description from Novelupdates

Every “Diver” gets 96 hours on Earth before Thirstfall drags them back. Most return broken. Some don't return at all.Dryden Sands survived that loop for ten years—until he reached Rank-A... and got killed by the person he trusted most.But the Sacred Codex he'd found had other plans—it reset everything to Day One.Now Dryden remembers everything—hidden dungeons, broken rules, future disasters.But the System remembers him...And in Thirstfall, anomalies don't just struggle—they get purged.--------------

She was originally the young miss of the Marquis Estate, but became a peasant girl due to a mixed-up at birth.

In this period where countless supporting lead actors always attempt to counterattack, turn over a new leaf or simply refuse to take up the role, his purpose of existing is to fill the role of a good supporting male lead and uphold his duty to the best of his ability. To add the needed lustre to storylines and this world. Only, it’s a pity that someone who is not afraid of god-like enemies will be afraid of pig-like teammates.

Bitterly, he realises that for some unfathomable reason, he is being bothered time and again by a bastard who refuses to follow the script… In order to walk the path of a good supporting male lead, he engages in a battle of wits and courage with that person. Loving each other and killing each other, one ultimately cannot escape fate’s teasing– why is it so difficult wanting to be a responsible and diligent supporting male lead?! QAQ

- Description from novelupdates