EX Special

EX Special (お兄ちゃんはおしまい!EX, Onii-chan wa Oshimai! EX) is a the first EX Special Edition volume of Onimai: I'm Now Your Sister!. It contains an exclusive chapter, as well as a corresponding Drama CD. It was originally distributed at Comic Market 95 on December 31, 2018 before receiving a general release on March 6, 2019.

Contents

 * Mahiro and the Uneventful Holiday
 * Later in the Lab
 * Drama CD 1.

Trivia

 * Although this volume has not been given an English release, the included chapter has an unofficial English translation available for download from DLSite in a bundle with the other two EX Special chapters.