Shota's Isekai NTR Adventure - Chapter 1082: What were you thinking?

Yo, Hi! I’m Frank, I made a deal with a demon to pay me some money for receiving a guest for a few days every week.
I had no idea about what I have done.
On May 1st, Conan ‘the God of Death’ came to my house. I was forced to let him in and we get involved in a criminal case.
On May 8th, Bruce Wayne ‘Batman’ came to me. I was forced to follow him to fight crime.
On May 16th, Hannibal Lecter, The Silence of the Lambs, came to my home. I can only say that I really can’t stand my guests.

- Description from Novelupdates

Every human has their Personal Jewel of power, when awakened it can either be an Elemental Jewel or Physical Jewel. They circle the right and left wrists like bracelets of power.

Noboru Chikara is a forsaken prince burdened by neglect and betrayal. Blamed for a devastating attack by his family to protect his siblings, he endures abuse and prejudice from his family and people of his kingdom alike as his family accuses him of being possessed by the very beast that attacked the kingdom. Driven by an unwavering spirit, Noboru sets out to reclaim his birthright and forge a new, uncorrupted kingdom. But when his father commits a heinous act, Noboru's quest takes an unexpected turn, propelling him into a realm beyond imagination. Follow Noboru's journey as he transcends dimensions and becomes the one who bring peace to all dimensions higher or lower and become The God Of Fiction.

The well-known and recognized throughout the Stern continent, strong and mighty, as well as the unique Wizard of magic cures, the most outstanding genius of the whole continent, Jason got into the flow of time, back in the uncivilized era during the first failed experiment, 3000 years ago. This was the period when the magic healers didn’t exist. How will Jason apply his knowledge in this backward era, wherever he reach the peak of glory?

- Description from Novelupdates