Kotonoha no Miko to Kotodama no Mahou to

Fujieda Miyabi's The Caged Miko and the Whimsical Witch depicts a romance between-- you guessed it-- a miko and a witch. In the first chapter, Letty, the witch, ends up playing the knight in shining armor to Tsumugi, a young woman magically bound to her family's shrine. Miko = priestess