I’m a Villainous Daughter, so I’m going to keep the Last Boss summary:
Avoid the BAD END! That's the goal of the villainess in this plot-twisting story!!
She has been reborn into the world of an otome game as the villainess, Irene. Using her memories of her former life, she recognizes flags indicating she's en-route to the bad end, so she makes a plan to conquer the last boss (the evil king Claude), make him her lover, and see if she can open up a new route!
Fantasy
Homeless Tensei: Isekai De Jiyuu Sugiru Majutsu Jisoku Seikatsu summary:
Shinichi Tanaka is a homeless man who is good at dumpster diving. Because he's a pennyless bum, there's no help for it. He's going to try and pick up some trash to survive another day.
What is this?
Monsters and a Dungeon? In Tokyo?!
A homeless man finds himself suddenly reincarnated in another world. His second life starts now based out of a hidden room deep in a dungeon.
A weird and turbulent adventure of a 56 year old homeless man who reincarnates into a different world.
Fiancée’s Observation Log of the Self-proclaimed Villainess summary:
Crown prince Cecil was so brilliant that everything in life was easy to the point of boring him, then one day, his fiancée Bertia suddenly said "Prince Cecil, I am a villainess!" Claiming that this world is the same as that of an "otome game" from her past life and that she is playing the role of the "villainess" in it, she aims to play her part well and have their engagement annulled. With that goal in mind, she sets about causing turmoil in Cecil's daily life.
Release That Witch summary:
A male engineer transmigrated into another world, and became a prince. This place strikingly resembles the Middle Ages of Europe, but at the same time, it seems kind of different? Witches truly exists, and they even possess magic powers! Magic powers are productive forces! Save the witches, liberate the productive forces! Open map, fight demons, break conspiracies, climb up the science and technology tree, and open the path of hardcore ‘farming’!
Girl and Science summary:
They were childhood friends, and she had always been more powerful than him. But when they accidentally traveled (summoned?) to another world, it was finally time for him to become the knight in shining armor! He had to find her first though, since they were separated... Come and witness his fight to be better in a crazy world where monsters roamed and technology was so advanced your amputated limbs be restored to perfection...
Weak 5000 - Year Old Vegan Dragon summary:
A 5000-year old vegan dragon was living peacefully when one day a young girl showed up in his cave. She offered herself as a sacrifice in order to gain favor for her village. He played along as the great "Jaryuu-Sama, the Demon Lord’s Army Leader" in order to get rid of her. However, his little white lie awoken her hidden powers and his peaceful life suddenly ended.
Satou Ryouta who died from overworking at a black company was reincarnated to another world. Although Ryouta was alive, he is now burdened with the inconvenience that his level is fixed to 1 in this new world.
Although he wasn’t able to raise his level, he had a unique skill that can create a cheat-like item that shouldn’t exist in the world from a monster.
Kazusa Yuu, a Japanese high school student interested in food and camping, dies in a traffic accident and ends up reincarnated in the wilderness in another world. He must learn to survive in an unfamiliar environment, learn the powers he was granted and the magic of the world that is based on eating other creatures, and rescue fair maidens in distress to feed them and build up his harem.
The Banished Villainess! Living the Leisurely Life of a Nun Making Revolutionary Church Food summary:
Event planner Yuka Sawatani‘s life ended as the result of overwork. Reborn into an Otome game with her memory intact, she becomes the villainess Elizabeth. She tries to resist her fate, but at the ending of the game, she is promptly banished.