Is 'Gacha Summon'Em All....And Yandere Too' Similar To 'Re:Zero'?

Amanda Jackson, the daughter of a rich tycoon finds herself in hot soup on the day that is supposed to be her engagement day. She is happy because her childhood sweetheart and lover will be back and she thinks they will live happily ever after. Little did she know the schemes and traps waiting for her to fall into. But God gives her another chance as she reincarnate and swear to make those who made her suffer pay.....

A witch who has lived for thousands of years has grown bored with her own life and decided to leave it. Since she is an immortal, her soul cannot leave the world. However, what she can do is transfer her soul to another body. By a stroke of luck, she happens to enter the body of a princess. She was considered a miracle because when the Empress gave birth to her, the princess instantly died, along with the Empress. What the witch didn't know was that she has entered such a predicament. She has to endure the love of the cruel Emperor and possessiveness of the crazy twin princes! What will her life be at the hands of such a loving family? In addition, it seems that this body contains mana that was lost in the royal family centuries ago!

Anomalies were descending on the world when I got thrown into a horror dungeon. The problem? I was a hopeless romantic. An even bigger problem? The dungeon’s final boss turned out to be more of a lovesick idiot than I was. The moment he saw me, he practically begged to be my personal simp.. Me: Wait… we’re doing that already? The barrage of comments exploded: “Look at him. The mighty final boss is willing to be the third wheel.” “Sorry, sweetie, but our girl already has two anomalies in line. Even if he’s the boss, he still has to take a number.”

I transmigrated into a dating-sim otome game where I was supposed to romance a soft, fragile male lead. I had finally pushed him onto the bed and was just about to make my move when the long-missing system finally popped back online. [Host, I sent you to the wrong game. This is a horror game.] [The man you’re bullying right now is the horror game final boss.] I lifted my head and met a pair of blood-red eyes staring straight at me. My smile froze. “Um… you look a little tired. Maybe we should… continue this another day?” He smiled back, calm and terrifying. “I’m not tired. Go on.”

A thirty-year-old office lady, who got into an accident and is now trapped inside a novel series she loves. She was reincarnated into one of the side character extras of the story and meets in person the tyrant magician, the playboy prince, and the clueless female lead of the story.

Sheeran, a 16-year-old boy, lived until he was killed for a stupid reason. ( stupid reason & more in the prologue:v ) But it seems that fate had stored different things for him as after death, His soul transmigrated to another world inside a dead body of a boy with the same name and same facial features as him. He also found out that a mysterious black whirlpool seemed to be inside him and connected to his soul. After the short unfortunate first life, he starts living his second life with more suffering that he chooses himself to get stronger but with that also comes happiness he had never experienced. A smooth sailing second life of Sheeran starts with something mystical inside his body and other benefits of it that could make him stronger with some suffering. However...he didn't know that due to his soul ( That was supposed to return to the source of the universe after death but instead, it transmigrated by someone for some purpose and that caused an adverse effect like increasing misfortune on his soul ) The benefits he receives ultimately becomes the source of his second doom that is even worse than death. But...that's when the future revoked overlord is born.