Yamada-kun and the Seven Witches (2015)

S3E8 Prince Hercules

Title: Prince Hercules Plot: Queen Parnassa casts a spell on Hercules, causing him to forget his past. Under the influence of amnesia, he is misled into thinking she is his mother. With his memories erased, he becomes convinced to take command of her forces, unaware of her true intentions and the dangers that lie ahead.