Makoto and her boyfriend have been in a pure relationship since their student days, but now they are hit by a series of masochistic NTR scenarios. While being fucked by another man's cock, her body reacts contrary to her heart... However, her love never fades, and while her body is being toyed with, she tightly grips his hand! A tragic NTR story where her love for her boyfriend persists despite the humiliation, guaranteed to cause a depressed erection!