I gradually got more and more excited, and took off my pants, leaving me in just my underwear!

ちょっとずつ興奮してきて、ズボンを脱いでパンツ姿に！
我渐渐变得越来越兴奋，脱掉了裤子，只剩下内裤！
I gradually got more and more excited, and took off my pants, leaving me in just my underwear!