RIM and the Last Carnivorous Plant

In midwinter of his second year of high school, Aoi Nanase meets RIM, a mysterious transfer student, on the school rooftop. She is a virtual singer from KAMITSUBAKI STUDIO, with a strange singing voice that blends transparency and allure. One day, RIM transfers into Aoi's class. She is quiet and mysterious, but when she secretly sings on the rooftop, she shines brighter than anyone. Aoi agrees to help RIM with her 'song test.' The test: sing seven songs in seven days. Each time she sings, a sma