Des：A high-caste, takapi-type little girl student in the class, Momo. My boyfriend is big and kind of evil and he has been taking classes with a shadow boy named Saji. For such things, Saji began to burn the twisted love and revenge... One day, he bought chemicals online and attacked MOMO. Looking at the shocked and defenseless thighs, Saji tags in and drops the tag. In addition, Ogisan, who has a grudge against her boyfriend, also joins the circle...