DisgaeaDragoon said: Facepalm for me, I didn't think it was Koishi until I saw her third eye and then the tag! Oops...
For me,when I saw Koishi at the 2nd panel,I didn't know who is this doctor until I saw Koishi's closed 3rd eye,I couldn't believe that's Koishi until I can see that the doctor is NOT Eirin,nor does she look like her.