Jitsu wa Ore, Saikyou deshita? ~ Tensei Chokugo wa Donzoko Sutāto, Demo Ban'nō Mahō de Gyakuten Jinsei o Jōshō-chū! - Chapter 19.3 - Warning, Collar(3)

Master said, the woman I held in my hands, I must protect for the rest of my life.

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

[Host: Female][Daily Sign-In System: Rewards Guaranteed!][Miss a day? No problem—your monthly bonus will be even bigger!]In the mysterious world of Elarion, danger hides behind beauty, our protagonist goes to academy but in mid way she get attacked and another world soul come to take her place, but because of soul own system mistake the soul died and our protagonist got system,she has realize she will die and she did not wanted that, with her system she although live but later another more extreme things happen to her, now she cant enter her own world for years, gods decided to seal it but reason nobody in Elarion know,But there's one problem: our protagonist has the lowest magical talent of all.Armed only with her wits, determination, and a mysterious Sign-In System that grants her daily rewards, can she defy fate, rise through the ranks, and uncover the secrets buried deep within Gorvanna?but there is a twist, she has attracted obsessive's vampires now she had yandere Vampire woman's who are obsessed with her,Warning (her first love will appear after chap 35+)

I was born into a prestigious martial family, yet I was nothing but a useless person with no talent whatsoever.At least, that was the case until I was trapped in a dream.[You cannot die here.][You can not lose your mind here.][Time does not move in this place.][You cannot leave until you reach the extreme.]Geniuses and fools—people say these are two unchangeable truths of the world.They claimed that I could never enter certain realms because I was a complete fool.But when a human body and soul are thrown into the extremes of time, they adapt.[Congratulations. You have reached the extreme.]Now, it is time to leave.