Like really. She's an adult and is the same age as he was. What on Earth happened that it was her first time seeing condoms?
Even teenagers or kids know about it.
Did she not attend sex education when she was in high school?
It's impossible to skip that.
That is when your curiosity about the opposite gender is at its peak. No matter you deny yourself, you end up getting interested in it.
If it was some other guy, Suji could have been done.
Why?
If it were another and a usual perverted man who only knew how to take advantage of women, they would coax Suji to do or initiate sex with the pretense of saying, 'If you would like, I can demonstrate to you its purpose" or something.
