She, Nancha, is a gentle girl who is blind. She, west Mu, is a girl who is a bit violent but gentle towards Nan Cha. He, Beichen, has been childhood sweethearts with Nancha, Ximu and Dongche since childhood, a big brother next door with a hearty smile. He, retreating to the east, is a mischievous young man who always has a smile on his face. The four people in the east, west, south and north are happy on one side and miserable on the other. A curse for all eternity...