MIAA-870 Climbing to the top on the rooftop with his girlfriend

Rima and Hajime were in a band in the light music department when they were in school, they dated but did not have sexual relations. The two met again after a long time at a friend's wedding, starting to understand each other again. Lima has a boyfriend who is a landlord in Tokyo and was also a sex worker. She has changed since then, but the stopped clock begins to tick again. The hazy memories of their first love revive, they seriously search for each other and immerse themselves in SEX.