He only stole one condom... and wasn't satisfied with having sex with his first girlfriend while wearing a condom, he continued to have unprotected sex and ejaculate inside her until night. (Nana Maeno, DVAJ-528)

The only condom they found in their parents' room was a used one. They had sex with their girlfriend, whom they were dating for the first time, using a condom. Afterwards, they wanted to do it again, but they were out of condoms, so they had to reuse one…