DxD: Matsuda? - Chapter 109: Summer Vacation Ends?

Due to unfortunate circumstances, “Ari” Ariel Matisse lived in the slums of Los Angeles, also known as Skid Row.One night, on his way home, he was killed while witnessing an old man getting beaten.When he woke up, he had been thrown into a dumpster, and a strange screen flashed across his eyes, and no matter how he looked at it, it reminded him of a status window in a game.[System Integration Complete!][Become a Global Music Superstar!]For some reason, he gained a system that wanted him to join a survival show and become a globally famous idol.If he refused to complete his given tasks, he would die.But if he succeeded, he would have the money and power to change his life as well as get revenge against the person who killed him.P.s. this story is kind of a love letter to LA and the amazing blend of cultures (American, Asian, Hispanic, African, etc) that can be found there. I hope you all fall in love with the area as much as I love it.

One day, I woke up only find out that I’d become a Demon Lord, an individual responsible for protecting a dungeon. The world I’d been spirited away to was one filled with violence. Gigantic monsters wandered through it and competed with each other each and every day for the right to survive. I had no choice but to strengthen my dungeon’s defenses in hopes of living another day—or at least that was what I’d thought. For some odd reason, I instead ended up spending my days in relaxation and bliss.

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!?

You are the ruler, I am a subject, you want loyalty, I’ll give you loyalty. You are the ruler, I am the subject, you want my sacrifice, I will sacrifice for you. This lifetime, we’ll only be ruler and subject…… cannot become the one who accompanies you to experience everything.

A deposed empress, a failure of a substitute. Charging into battle, he was the emperor, and she, his general. But within the intimacy of their military tent, he was her husband, and she, his wife.

But everything was star-crossed. For the one he loved the most, he would push her into hell again and again.

- Description from Novelupdates