森下茜は青菜高校に通う高校2年生で、親友の相馬仁子、大福、山田素直らと共に楽しい高校生活を送っていた。仁子との賭けに勝つため、茜は冗談で初対面の土屋時彦に告白をする。しかし土屋の方は以前から茜のことが好きであり、このことをきっかけに茜との交流を持つようになる。土屋のことが好きな葛西涼子との人間関係から、一度は土屋を振った茜であったが、友達として交流を続けて行く中、徐々にその人柄に惹かれていくこととなり、高3の途中から付き合うようになる。恋に、友達に、部活に、卒業後の進路にと悩める高校生の日常が描かれる。
Morishita Akane is a second-year student at Aona High School, enjoying her high school life with her best friends Soma Jinko, Daifuku, and Yamada Sunao. In order to win a bet with Jinko, Akane jokingly confesses her feelings to Tsuchiya Tokihiko, whom she meets for the first time. However, Tsuchiya has liked Akane for a long time, and this leads to them interacting together. Akane initially rejected Tsuchiya due to her relationship with Kasai Ryoko, who also likes Tsuchiya, but as they continue to interact as friends, she gradually becomes attracted to his personality, and they begin dating halfway through their third year of high school. The story depicts the daily lives of high school students, who worry about love, friends, club activities, and their future paths after graduation.