"Keep staring at me, aren't you?" Her bare, G-cup breasts were irresistibly alluring, and I, in my wretched state, succumbed to her temptation. (Goddess Pure FSDSS-959)

I often go to my girlfriend's house, but her older sister, with her G-cup breasts and no bra, is always there. Her ample breasts are captivating. Lately, my girlfriend won't let me have sex, so I can't help but secretly stare at her sister's unprotected breasts, and I can't resist the urge to touch them… Her sister's unprotected, voluptuous breasts are right in front of me; reason completely succumbs to lust! Wearing a loose bra, I can't stop getting an erection!! Seeing…