[Mosaic removed] Yui is entrusted with her relative, Chinta, by the president of a business partner to whom she is indebted. But this Chinta was an incredible brat! Yui usually acts bossy as the president, but she can't help but get nervous when this guy plays a prank! When Yui is spoiled and takes a bath with him, he shows off his erect penis that rivals that of any adult, and he ends up not even slutty. Chinta, who is not excited about living with an adult woman, secretly begs an employee to have sex with him in the president's office! The two's actions escalate no matter where they are, and Yui, who is actually frustrated with her girlfriend, gradually becomes addicted to her dick...