Rena has no friends or boyfriend and is socially awkward. One day, she rescues a boy who has collapsed in a garbage dump... and the boy says, "I'll be your pet!" and starts to stay in her room. Rena is not used to men, so just a kiss makes her mind go blank! When he sucks on her breasts, she feels so good she arches her back. As she has sex with the man many times, Rena's communication skills improve. After completing her role as a pet, she has to say goodbye with some raw creampie sex...! The exclusive digital edition includes behind-the-scenes footage!