The Spider Queen - Chapter 739 An Innocent Little Lamb

After dying in the modern world, I was reincarnated in a gender-reversed world.“Ah, a demon! It’s a demon!!”“Immediately! Execute-him!”…with a very troublesome trait called Demon’s Blood.Since everyone in the world wanted to kill me, I fled to the forest.[Why is there a man here???][This is terrible… wowowow][Hnng… Oppa~aah…]But… strange people keep coming to my forest.

The outside world is filled with monstrous shadows. I’m so scared.I just want to stay in my safe house, forever…————————Unkillable phantoms and endless monsters abound. Yu Hong arrives here with a mysterious black mark. Using its power to strengthen everything, he gradually builds an absolutely secure zone of his own within his safe house.

A skilled but unfortunate modern-day assassin was killed in a freak accident. However, he soon found himself summoned to another world by an evil wizard, who had him possess the body of a boy as an experiment. After successfully planning the evil wizard’s downfall, he used the wizard’s body as a springboard to gain influence and power in his new world.

- Description from Novelupdates

Suddenly a high school student Subaru Natsuki has been summoned to another world on the way back from the convenience store. With the biggest crisis of his life being summoned to another world and no sign of the one who summoned him things become worse when he is attacked.