MIAA-870 Climb to the top on the rooftop with your super slutty girlfriend

Rima and Hajime were in a band in the light music department when they were in school, they dated but did not have sex. The two met again after a long absence at a friend's wedding. begin to understand each other again. Lima has a boyfriend who is a landlord in Tokyo and is also a former prostitute. She has changed since then, but the clock that stopped working begins to work again. Faded memories of their first love revive, they search for each other seriously and indulge in SEX.