Mangas

Ikai no Hime Miko wa Patishieru -  Ikai no Himemiko wa Pâtissière -  The Princess Priestess from the Other World Is a Patissier -  異界の姫巫女はパティシエー
One day, Emi, an apprentice pâtissière, suddenly found herself in another world where evil spirits were abound. As she was about to be attacked by a beast, she was saved by a handsome knight. She makes some pudding to thank him, and by chance it was discovered that the sweets made by Emi were able to purify evil spirits! Dumbfounded by this, a shrine was set up in her name and she became known as the legendary purification princess?!
Rakumei Majo to Toki wo Kakeru Danna-sama no Shinanai Konyaku Shirushi -  落命魔女と時をかける旦那様の死なない婚約印
Michela is a 13-year-old student at the Clausura Academy of Magic and Sorcery, a school for magic-holders aspiring to become “Wizards”. Unfortunately, she lacks even the most basic control over her powers, with all her attempts at spell-casting inadvertently ending up in explosions. One day, Michela sets off a particularly nasty explosion that stood to consume anything and everything around her. Just when death seemed imminent—A young man appears before Michela, deflecting the blast in the nick of time.Introducing himself as Eusius, the young man tells of a foreboding tale: that he has come from the future to save her... and that she’s fated to die at the young age of 18......[url=https://comic-walker.com/contents/detail/KDCW_FL00201358010000_68/]Alternative Raw[/url]
Akuyaku Reijo ha Heroine wo Ijimeteiru Bai De ha Nai -  Akuyaku Reijou wa Heroine wo Ijimete iru Baai dewanai -  Akuyaku Reijou wa Heroine wo Ijimete iru Baaide Wanai -  悪役令嬢はヒロインを虐めている場合ではない
In an unexpected turn of events, Haru transmigrates into the body of Reina, the villainess of an otome game. As soon as she transmigrates, an event in which the villainess bullies the heroine starts. If she bullies the heroine just like the game, the only ending waiting for Reina will be one of destruction. This isn’t the time to be acting like a villainess, I want to enjoy my life! That’s what Reina decided, but the heroine and the game’s love interests keep falling into trouble?! This is the long awaited manga version of the story of the villainess aiming for a happy ending in an unprecedented isekai life.