Tankoubon, containing the following chapters: 1. Pukuyuri ~pierce~ 2. Pukuyuri ~kiss~ 3. Yuurii (side story) 4. Just the Two of Us (Futari daka) (prequel #1) 5. Futari nara (prequel #2) 6. Zutto Futari de (tank-only extra) Note: chapters 1-5 were first published as original doujinshi and distributed at Comiket during the years 2011-2015."