HUNTC-145 "You've been watching, haven't you? If it bothers you that much, go ahead and satisfy your curiosity... It's fine." The lecherous gaze directed at her chest actually excited her. Her well-endowed sister leaned in close to his ear and whispered,

I'm the brother-in-law, and she has huge breasts. Honestly, I've been obsessed with her cleavage every day and can't stop stealing glances. I thought my voyeuristic behavior hadn't been noticed, but my sister-in-law caught on to the perverted gaze and was actually excited! One day, she finally pressed her huge breasts against me, whispered sweetly in my ear, and seduced me! I came just from the paizuri. But my sister-in-law wasn't satisfied, so she mounted me and forced internal ejaculation! Although it started with my perverted gaze, it feels like it was all planned…