TIL that "hunchback" can refer to people who are simply hunched over, rather than people who are born with a deformed back that forces them to be permanently hunched over.
T34-38 said:
Why kouhai is surprise as if such things don't exist. This would help every woman with big tawawa's and their BACK PROBLEMS.
Men aren't gonna survive though.
She's surprised by how much it's emphasizing Rikei's breasts.