When the girl who sits behind him in class falls into a ditch, loner high school student Fujiwara Sandai jumps to her aid--and his life is turned upside down. Even though the beautiful Yuizaki Shino has given the cold shoulder to practically every guy in her life, she'll take any opportunity to spend time with Sandai. Is this all some elaborate prank to humiliate this gloomy otaku, or was a simple act of kindness all it took to win her heart?