Застукаю, как ты наблюдаешь, мне горячо и беспокоило

Ofcourse the door is left slightly opened. I knkwnyou have a curious personality and can't help your self to take a quick look. Turns out you end up standing there, watching with fascination and curiosity. Without even trying you're touching yourself over your pants, unable to help the boner that pops up. ;)