Looks like a Natsuiro Shoujo reference. Tagging as such.
When did you take them?...What the...aren't all of these mine?!...every time you invited me in your room, I took one...Pervert...Ah...!...vert...Uh?!...uh?But I like you!!twitchYou pervert!!You pervert!!You pervert!!You pervert!!You pervert!!You pervert!!Err...Ritsu...?This might be a good sensation...You pervert!!You pervert!!