The highlight of the film is the plain sister boldly wearing sexy underwear to seduce me. The actresses' performances are natural, and the convulsive scenes are full of power. However, there are criticisms about the male actors' middle-aged obesity being unrealistic when playing the role of a younger brother. The film is well-known for its sexy underwear and sex scenes. Some voices hope that the plain elements can be emphasized more. In addition, there are opinions that there are too many lines in the film. The appearance of Tanaka Nene and the panties with strings have also received praise, making it an irresistible work for panty fetishists. Recommended for glasses and underwear fetishists.