Magikano

'Magikano' is a Japanese manga created by Takeaki Momose in 2003 and was adapted into an anime in 2006. A witch named Ayumi tries to awaken the latent potential of a young boy, Haruo, who is unaware that magic exists, so that she can remove the curse put on her. However, his sisters, three witches who mess with his memory to ensure his ignorance, wish otherwise.

E12: Is It Really The Time of Awakening? The gang go into a magic house hosted by a clown; once inside, Haruo is taken away, and the clown's outfit inflates before popping, revealing it to be Michiru, Ayumi's sister.