Global Killing: Awakening SSS-level Talent at the Beginning - Chapter 1399:

His Royal Highness the King of Han, who was afraid of the dark and ghosts and loved to cry, has always been the good baby of the princess.
Until one day, His Royal Highness the King of Han found a book in the bookstore…
Picture book?
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Search keyword: Protagonist: King of Han, Princess of Han

- Description from novelbuddy

[Tenant: 002][Name: Reiko Onodera][Physical Strength: 5][Intelligence: 5][Charm: 9][Daily Rental Payment Required: 666 yen or role-play as a housewife daily (paid)][Daily Income Generated: 5,000 yen (settled)][Tenant Desire List:][1. Wishes to find a suitable job (X)][2. Hopes to bring her daughter to live together in Tokyo (X)][3. Has found a dependable person in Tokyo (accomplished)]…………Living in Tokyo, collecting rent while lying flat.The widow working part-time away from home, the heartbroken beauty who ran away from home... the tenants are all strange...

Vahn was an atypical youth. Due to a rare mutation, his blood had the potential to target and attack ailments within the human body. Touted as a universal cure, people had elevated his status above the norm and given him the classification "Panacea". In the media, he was hailed as a great hero who would usher in a new era or human wellness. However, behind the scenes things weren't so bright. Being a unique individual, Vahn spent his entire youth locked up in a lab with various scientists and research teams using his body and blood to perform endless amounts of experiments. The only solace in his suffering was the various anime and manga made available to him between experiments. He often imagined himself as the protagonist in a world of his own, finally in control of his own destiny. For years he nurtured this desire, until at the age of 14 he died when an organization had tried to kidnap him from the lab...

Xuan Yi was transported into the fictional world and became an elder of the Black Sword Sect! The moment he entered the world, he was at the Sea-Splitting Rank!