The Real Young Miss's Secret Identities Revealed - Chapter 10

Kaelen Dragonyx, a boy who lost both his parents and his mentor in the most ruthless way possible, decided in his heart to become the strongest swordsman in the world to protect the last remaining family he had, which is the only child of his mentor and his childhood friend.But along the line, he discovered that he is the most talentless boy of the generation which made his road towards being the strongest swordsman to be much further away and daunting than he could imagine. Be he didn't give up until he stumbled upon a sword that drastically changed his fate.

MOUNTAIN SITTING IMMORTAL (MSI)A conduit of the great Dao happened to enter the grotto heaven called Earth. No one had been able to take ownership of this conduit for many years until Marvin came into contact with it. Marvin met the requirement to use the conduit. This allowed him to begin his journey towards immortality. The journey begins from transcending the first mortal coil at Body Forging to transcending the second at Energy Gathering, passing through the subsequent mortal coils, and hopefully to becoming a true immortal with eternal life.But the conduit is far more useful than helping a dying business tycoon gain another lease at life. It is also a conduit of great power. This power and many more will be his as long as he continues to sit on his mountain and grows the mountain into a colossus. The mountain will bring him to greater heights and greater power. This is the story of the Mountain Sitting Immortal.

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

The second prince has come of age. To celebrate the advent of such an occasion, the search for a suitable bride began. My younger sister was expected to go to the Royal Palace as a candidate. However, despite this, she eloped the day before her departure. I, the older sister she left behind, looked almost exactly like her – so much that we were often mistaken for twins…

One month, right? For just one month, shall I substitute in for my sister?