A young man named Manabu is staying at his uncle's apartment in Tokyo to prepare for an exam. Despite needing to focus on his studies as the exam approaches, the repressed desires of a virginal youth in his prime only grow stronger by the day. One day, Manabu borrows a piece of underwear from the kind and beautiful Nene-san and uses it for self-pleasure, fantasizing about defiling her body under the same roof. However, he is caught in the act by Nene-san…!
