I, Vincent, a butler of a count’s daughter, suddenly remembered that the world I'm currently living in is part of an Otome game I’ve played in my past life! On top of that, my beloved lady is the villainess who will end up dying a violent death…?! What the hell! I’ll DEFINITELY save my lady from her bad endings!!! A peppy, isekai comedy, where the butler, Vincent “I Love My Lady” Serenade (a love interest), sprints around snapping all of his dear villainess’ death flags.

Anezaki Satoru had a precious childhood friend, Ichinose Yuna, who was killed by a gang of rapists. Blinded by rage and thirst for revenge, Satoru gruesomely murdered 15 rapists and cut off their genitals, for which he was sentenced to capital punishment. After his death, Satoru regains consciousness in another world where all men have become mindless beasts. Finding himself lost in this world, he meets some of the struggling survivors fighting the hordes of beasts. What he learns is shocking... Yuna is apparently still alive in this world! Satoru chooses to join the fight in order to find his precious friend.

High school second-year Sakagami Sojiro is late for school one day, when he is given a ride by a mysterious girl who looks like a third-year, and claims that her fortunes are 100% accurate. She declares that he is fated to be with a girl younger than him... but little does he know that she's referring to herself! So begins a comedy of love between the fumbling Mizuki-"senpai" and clueless Sakagami!

The manga centers on homicide detective Hiroki Dan, the son of a former police superintendent general, and who seems to be on the fast track to career success. He maintains a hidden identity as a serial killer responsible for more than a hundred murders of people he deems beyond the reach of the law.

Ishuto was the strongest Demon Lord in the Dark Continent until he was defeated by the heroes. But instead of dying, he reincarnated into another world as a young man, while still keeping his powers. "I will start from scratch in this world and this time it'll be mine!". The elite adventurer Airis was charmed by Ishuto's strength and became his guardian so he could enter the adventurer training school, but due to his otherworldly powers, he graduated the very first day, receiving the unprecedented title of "level 0". He's a maverick with Demon Lord powers that has no match in this world...

After his tragic death, Minato was reborn in a world where Offensive Magic has not been banned. He was thrilled to see that Offensive Magic for the first time, however he couldn't help but wonder why all the magic circles are so inefficient?! After witnessing how ineffective the magic in this new world is, he decides to use knowledge from his previous, far more advanced world to improve it. Come along on Minato's quest to improve the magic of his new home!

To Rei, her business-motivated marriage is a hellish ordeal—a life shackled by control and forced attempts to conceive by her husband Masaichiro. Her only meager means of revenge are the birth control pills she takes in secret. However, even Rei has a ray of light in her life: a food truck she visits daily that is run by Mikio, a kind, handsome young man. The fleeting lunches with Mikio allow Rei to truly be herself. But her pills don't remain a secret for much longer, and Masaichiro forces her to quit her job upon their discovery. On her final day, when all hope of ever seeing Mikio again is seemingly lost... a man comes in to rob the bank she works at! From the moment Rei sees him, she is strangely drawn to him, kicking off their dramatic romance.

Kazan inherited his Keshin, Enma, from his grandfather Iwan and is determined to rid the world of all evil Keshin users. The evil group Aguru, was just that. They're collecting Keshin in order to take over the world, and Kazan is determined to stop it! Watch him collect friends along his way to defeat Aguru!

His father is a sage and his mother is a martial artist... Yuan is a boy whose parents are the strongest humans in this world and they raised him making him believe he's "weak". However, he can pulveriza giant rocks with a flick of his finger and he hunts and eats dragons, believing they're just "lizards". His daily life isn't normal at all!! If you're raised by the strongest, it's only natural that you're going to be the strongest too. This is the story of a peerless boy who know nothing of the world but he's about to shake it!!

Kaede Komura has a huge crush on his seat partner, Mie-san. She, however, has terrible eyesight, and tends to either forget or break her glasses! Komura-kun offers her a helping hand, and as they grow closer, their feelings for each other grow too.