Kaede Matsushita is an energetic and violent girl who uses "Ore", just like boys. But when she's in front of her boyfriend, Teppei, her usual cheerfulness fades and she becomes more reserved. Then one day, Kaede receives a love letter from Takashi Okamura, who is known as the most popular guy in school. What will happen between Kaede and Teppei...?

Also Includes the one-shots Oka no Ue no Alien (丘の上のエイリアン) and Setsunasa ni Nite (せつなさに似て).