Kurumi reunited with her childhood friend Nagio after many years. She was very perplexed after Nagio kissed her out of nowhere and confessed that he likes her. However, she eventually realized that she also likes Nagio, and gave him a kiss herself! Kurumi's overprotective brother, Ataka, just also happened to be there to witness it! In his anger, Ataka decided to take some extreme measures against Kurumi…?!