After graduating, Nagi moved to Tokyo and started working at the late-night diner "Luna" in Shinjuku 2-chome to find a place where she belongs. There, she meets Hinako, a lesbian living through the lonely nights. "Night exists for those who can't make a start..." Surrounded by the sound of rain, the two share their first kiss. Nagi offers sincere love to the love-fearing Hinako, and they grow close. A high-purity, erotic, and emotional lesbian love story set in the city where diverse souls gather.