On my first job as a teacher at an all-girls school, I went on a school trip with the students, but the hot spring at our accommodation was mixed bathing! I thought the female students wouldn't come in, but they did! I felt awkward and tried to leave, but they said 'You don't have to go,' which shocked me! Plus, their towels weren't covering well, and I could see their breasts and private parts! Naturally, I couldn't help but get an erection…
