SERI (세리)

For thousands of years, some people found that the world has undergone earth-shaking changes since they obtained the aura that can strengthen themselves from a popular game. The cultivation base obtained from the game can feed back to oneself, ranging from strengthening the body to forging the body, or transforming into spiritual energy, and it is omnipotent! Civilizations change, and the real world is strictly controlled, but the game world is a purgatory-like battlefield, full of dangers

It's basically a fantasy series with magic, instead the only ones who can use magic are traps. The series revolves around three brothers, Rio, Noa and Rei Olmsted living on Olmsted Island who are at the age where they're just about to start using magic. The rest is up for you to find out.

There is a tale long ago that a prostitute would cut off her finger to give to her customer to prove she had given her heart to him, or her. Kotone, a servant girl, has fallen in love with Suzuka Ojou-sama and promised her finger to Suzuka. But how will they stay together when Suzuka is to wed someone else?