Ten'i Tsukaima no Ore to Munou Majo Minarai no Isekai Tanken ki (WN title) (Associated Names)

I was a normal high schooler, until one day, I was suddenly summoned to another world. Moreover, only my soul was summoned, so I used a doll as my body and ended up living as a witch’s familiar. Not only that, the witch girl who summoned me was an incompetent, s*upid girl, who had no…