Letting Loose After Marrying A Tycoon - Chapter 436: A Knife Called Filial piety!

I, Zhang San, am absolutely a good person!I swear by the eight generations of my ancestors!What!? My ancestral grave just exploded!?

Transmigrated into the world of High School DxD, Roy believed he had been handed a life of luxury and glory. Born into the prestigious Lucifuge family, with his Sister Grayfia as his strict yet devoted older sister, he thought he was destined for greatness. 99,997… 99,998… 99,999… 100,000!!But... reality proved harsher: Roy lacked demonic talent and, despite years of training, remained a Low-Class Devil. his peers effortlessly achieve High-Class status, he’s been trapped in a cycle of endless sword practice and ridicule. Yet, he refused to accept mediocrity. Ten thousand sword swings a day, relentless training.. Until one day..[Ding! The Strongest Demon King System has been activated. Access functions to learn more.]---- High School DxD - Main World!1 - High School of the Dead [●] - First2 - Demon Slayer [●] - Second3 - Akame Ga Kill [●] - Third4 - Bladedance of Elementalers [●] - Fourth5 - Campione [●] - Fifth

In a world of Monsters and Mythical Creatures, he was reborn.

Not as a Human, but as a Monster.

'So you're telling me I can't leave this place?'

[You must first clear the Dungeon's Ten Floors.]

'Only then, will I be able to check out this new world?'

[You must build your strength.]

'By using my “Devourer” and “Evolving Monster” Unique Titles, huh?'

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