At Tamayoshi Fine Art Research Lab - A prep school for students who want to apply for Art Schools - Haru, a student preparing to retake the entrance exam, was hit on by his roommate, Natsu. Natsu is a genius painter who is good at nothing but painting. While looking after Natsu, Haru helped him out of a difficult situation. Natsu's feelings for Haru became even stronger. During exam prep time, Haru was under a lot of stress and turned Natsu's feelings down. Will Natsu's relentless and unchanging feelings reach Haru's heart no matter how many times Natsu gets rejected? Art School prep students' sentimental summer days - the latest extended part of "One March Day, I Found a Bear" - Haru Natsu series has been released!