Volume 1 1. **Asimov no Tamago Uri** (アジモフの卵売り) 2. **Yumemiru Kikai Ningyou** (夢みる機械人形) 3. **Automata wa Uso wo Tsukanai** (オートマタは嘘をつかない) Volume 2 1. **Koisuru Kikai Ningyou** (恋する機械人形) 2. **Hatsumei Ou no DNA** (発明王のDNA) 3. **Tokei Shikake no Orange Jet** (時計仕掛けのオランジェット) Volume 3 1. **Fushigi na Hiru to Yoru to** (不思議な昼と夜と) 2. **Perpetua ga Ossharu ni wa** (ペルペチュアがおっしゃるには) 3. **Nemuru Kikai Ningyou** (眠る機械人形)

A university student ends living with his classmate who works at a host club, and a relationship between the two starts to form.

A frail high school student receives the heart of a "legendary mercenary"?! The ultimate guerrilla warrior vs. the most fearsome delinquent high school... A school revenge action story begins! High school student Shirube Boshiran returns to Japan after three years following a heart transplant overseas. Shortly after transferring to his local school, Haze High, he becomes the target of bullying. One day, when Ran is cornered by delinquents, a change occurs in his body...! "Get angry—atone with blood!" Memories and combat skills engraved in the heart awake within Ran. The counterattack of a high school boy awakened to immense power begins!