Jimihen Jimiko O: Kae Chau Jun Isei Kouyuu 0 Exclusive |top|

Jimihen!!: Jimiko wo Kaechau Jun Isei Kōyū (often shortened to Jimihen!! ) is a manga series written and illustrated by Iburo that follows the transformation of Rena Yukuhashi, a reserved office lady, after she begins a relationship with her colleague Ryouhei Hachiya. Regarding the specific "0 exclusive piece" you mentioned:

If you want to view the official "Exclusive 0" chapter, here are the legitimate steps: jimihen jimiko o kae chau jun isei kouyuu 0 exclusive