Holy Emperor's Grandson is a Necromancer - Chapter 18: 012. Imperial Prince is Toiling Away -1 (Part Two)

His fiancée, whom he had never met, had just broken off their engagement. He's then betrayed by his girlfriend and schemed against by her lover.His mother's legacy awakens him. No longer content with mediocrity, he transforms into a dragon overnight.

Arthur woke up one day in a world where strength ruled all… in the body of Ulric Bloodvein.Discarded for his lowly birth, his fate should have been sealed. But everything changed the moment he awakened the Corruption System.[Ding! Merging complete. Corruption System bound to host.][By performing sexually perverted acts, host can gain Corruption Points and grow stronger.][Ding! You have spanked Amber’s ass. +1 Corruption Point!]With every lewd act, Ulric grows stronger. Follow his journey as he corrupts maidens, bends power to his will, and rises to dominate the realm of Arcadia.

After transcending to a new world, Ye Xuan miraculously obtained the Swallowing System.

Not only could it swallow everything (wink wink nudge nudge), it could also extract bloodlines, martial arts, godly weapons, medicinal pills, treasures…

“This (beer) is way too strong! Don’t challenge me! Do you believe that I can’t swallow your divine swords?”

- Description from Novelupdates

Upon being reborn, she immediately offends a vicious two-faced bigwig.