[Reducing Mosaic]DLDSS-406 Unconsciously spilling I-cup boobs. My girlfriend's flat-chested sister has such huge tits that I lost my mind, went crazy sucking and fucking.

I hide my preference for big breasts and am dating a girl with small ones. One day, when I went to her house, the one who greeted me was her older sister… she had incredibly huge breasts. She unconsciously tempted me with her ample bosom, and I couldn't hold back any longer. Without caring about cheating, I bit into the sister's tits, squeezing, licking, sucking. Like a starving wolf, I went crazy and fucked her. Even though she initially resisted, the sister started to feel good, and from then on, we just indulged in pleasure together…