'Magikano' is a Japanese manga series created by Takeaki Momose in 2003, and was adapted into an anime series in 2006. A witch named Ayumi tries to awaken the latent powers of a young boy, Haruo, who is unaware that magic exists, in order to remove the curse put on her. However, his sisters, three witches who mess with his memory to ensure his ignorance, wish otherwise.
S1E12: Is It Really The Time of Awakening?Edit
The gang go into a magic house hosted by a clown; once inside, Haruo is taken away, and the clown is revealed to be Michiru, Ayumi's sister, underneath.