I'm not good with rubber...I-I don't think we need to use it today.So you don't want to use the rubber?Then let's do it without the rubber...Let's! ♡
I'm fine without it so let's do it! ♡Senpai, aren't you going to do rubber balloon tricks...?
"gomu fuuzen" literally means rubber balloon, the common kind of toy balloon, but "gomu" just like the English word for rubber is also slang for condom.