In a bustling modern Japanese high school, Hayase Nagatoro is a lively second-year student known for her bold personality. Growing up in a close-knit family, she discovered her love for art and athletics early on. One day, while wandering the school grounds, she stumbles upon a shy artist in the art club and begins playfully teasing him, sparking an unexpected friendship filled with banter and hidden affections. Her world revolves around school life, crushes, and lighthearted adventures with friends.