Hisao Nakai is an ordinary high school student until, one day, he suffers a heart attack at the most awkward of moments. When his doctor and parents reveal both his condition and their decision to move him to Yamaku Academy — a school designed specifically to educate students with disabilities — he feels his life is over. Guide Hisao through this new chapter, making the right choices along the way. Who knows? Perhaps he'll find himself falling in love again.