Devil Slave (Satan system) - Chapter 957: A Different kind of Devil Dungeon 2

Roan crossed over and became an FBI agent.

Several years later, when interviewing the world-renowned detective Roan Greenwood, the reporter asked:

“Excuse me, what made you persevere on the road of solving the case?”

Roan tilted his head and glanced at the sports car beside him, the villa behind him, and the beauties in the villa, and smiled slightly:

“Of course it’s the bonus after solving the case.”

“???”

- Description from novelbuddy

Protagonist travels between different anime worlds to right wrongs and uncover his reason for being along the way.

The last thing Ariel expected after a weekend of binge reading was to be transmigrated into the same novel as the evil secretary who was bound to be eliminated.“It's okay, I can just disappear from the main story line and live a peaceful life.”However her hopes were shattered when a system barged into her mind and pushed her to fulfil the dead secretary wishes. The top one, capture the male lead.As she saw the formidable man sitting in his office chair with leisure, the full time student Ariel who never had an experience wirh boys thought with dismay.'This is going to be a difficult task.'However, it was this or deathSo she plunged into the journey of seducing the male lead, unaware that once she gained his attention no one would be able to save her from his clutches......Transmigration. System. Multiple Love Interests with a focus on the alpha lead. Possessive, alpha Male Lead and lots of face slapping. Fast-paced.

The world was once at war with 10 alternate worlds. This was known as the Concept War and our world won 60 years ago. All of this was concealed so no normal people are aware of this fact in the current time.

After the death of his grandfather, the high-school student Sayama Mikoto is suddenly summoned by the giant corporation IAI. He learns this world is headed for destruction due to the acceleration of the Minus Concepts. To prevent this, negotiations must be undertaken with the survivors of the other parallel worlds so their 10 concepts can be released.

And so Sayama is caught up in the final battle to clean up after the Concept War which left behind so much enmity.