High school girl Furusawa gets through school and the world by "playing around." However, she finds stress building up inside, due to her overbearing class leader and discriminatory teacher. One day, on Mt. Kannayama, Furusawa finds an insect with a human face. When Furusawa suddenly breaks the insect's front legs, the next day she realizes that a human with the same face has been broken. Having gotten a taste for this, Furusawa tries to get revenge on those she hates, but...!? 【Collected works】 1・ペニー・ピンチング（Penny Pinching） 2・おろち（Orochi） 3・鏡の国の亜梨寿（Arisu Through the Looking Glass） 4・人虫（Insect People）