Off Air ~Yes, No, or Maybe Half?~

Off Air ~Yes, No, or Maybe Half?~ (OFF AIR～イエスかノーか半分か～, OFF AIR ~Yes ka No ka Hanbun ka~ ) is a side story collection for the Yes, No, or Maybe Half? light novel.

Synopsis
The collection contains short stories collected from doujinshi, special booklets, bonus papers, and commemorative website extras. This includes the doujinshi stories:
 * No Need For Anything Else where Kei introduces Ushio to his parents.
 * My Sun where Kei reports on Koshien in the summer.
 * Daydream Believer.

Characters

 * Kunieda Kei
 * Tsuzuki Ushio

Volume 1: Off Air Volume 1 ~Yes, No, or Maybe Half?~
The first chapter occurs after Volume 1, Chapter 8 of Yes, No, or Maybe Half?. With Ushio staying over at Kei's, with the bedroom being set it to a specially high humidity level, Ushio asks on whether his script will get musty from the humidity.