Gate - Jietai Kare No Chi Nite, Kaku Tatakeri
Eiyuu Kyoushitsu : Honoo no Jotei
Mahou Tsukai no Yome
Human under the wing of some gentle/sweet-weirdo shadow person/creature Magus
Dorothy wa Gokigen Naname?
Wizard of Oz with a twist. Dorothy is a vain and greedy witch, thus her master placed a curse on her, making her look young again and taking away her powers. She is then sent to earth, where she finds "servants" who will unlock her powers for a limited amount of time and plans to use them to return to Oz and kick her masters ass.
The New Gate
Dude that got stuck in a real life mmorpg defeats the last boss, but instead of logging off he gets sent 500 years into the future in the "game". Really good read.
E? Heibon Desu Yo??
An average high school girl gets killed in a traffic accident and is reborn as a Count's daughter in an alternate world - where magic exists but technology doesn't. She uses her knowledge of her previous life to better the life of her people.
Boukyaku No Shirushi To Hime
Okobore Hime to Entaku no Kishi