Villain Is Bodyguard of Heroine's Poisonous Stepmother - Chapter 20: Bludgeoning the Protagonist Ye Chen

Based on the popular Vocaloid series, by HoneyWorks, called “Kokuhoku Yokou Renshuu (Confession Rehearsal)“:

Natsuki, a third-year at Sakuragaoka High School, who holds unrequited feelings for her childhood friend, Yuu, who’s in the Film Club. However, instead of being honest about her feelings, she makes him be her confession “rehearsal” partner. Unable to say her true feelings, things start to get complicated when Miou and Akari, who are also in the Art Club, get involved! Will she ever be able to confess for real!?

“Next, we have the most noble recipient of the Order of the Garter, the Grand Cross of Saint Michael and Saint George, the Grand Cross of the Bath, the Victoria Cross and the lower grades of Knighthood, the leader of the anti-colonial movement, the bell-ringer of the East India Company, the hero of the Crimean War, a Fellow of the Royal Society, a lifelong dear friend of literary giants such as Dickens and Great Dumas, a steadfast supporter of scientific luminaries like Faraday and Darwin, having served as assistant under-secretary, deputy under-secretary, and permanent under-secretary in departments of the Home Office and the Navy Department of the United Kingdom of Great Britain and Ireland, the inaugural Cabinet Secretary and head of the civil service, the first graduate and most distinguished alumnus of our school. Please welcome Sir Arthur Hastings to deliver a speech on the occasion of the fiftieth anniversary of the founding of the University of London.”Arthur's gaze swept across the crowd before him, looking at the young faces and murmured, “Agares, what do you think I should say?”The Red Devil's wraith hovered behind him, saliva almost dribbling from the corner of his mouth, “Look at these ignorant souls; they still worship you as a hero. Why not say something they'd like to hear?”Arthur took a deep breath and let out a deafening roar, “Oxford is a bunch of whores' bastards!”“Oh!!!!”The audience erupted into thunderous applause.“Cambridge is the same!” he added immediately.The applause grew even more fervent...(The protagonist, possessed by a devil, travels through 19th-century Britain in a world without magic)

An ultimate warrior, the one and only Alchemy Emperor, Ling Han, died in his quest to achieve godhood. Ten thousands years later, he, with the ‘Invincible Heaven Scroll’, was reborn in the body of a young man with the same name. From then on, winds and clouds moved as he set himself against the uncountable geniuses of this new era. His path of becoming a legend has begun once more. Of all eras underneath the heavens, I am the strongest!

- Description from Novelupdates

In the City of Crime, one law stands above them all: Only the strongest can live.