[Girlfriend's Absence Swallow NTR] Dai and his childhood friend Yui were being trained to swallow by her boyfriend who had a girlfriend. Yui knew she was being played with, but by drinking the cum that his girlfriend hadn't, she would confirm his love for her every day. "I really want him to cum inside me," she thought. When Dai confessed his feelings for her, they had reckless sex, drank his cum, and then Dai did what her boyfriend wouldn't—he came inside her. What will become of this painful love triangle?