Her younger sister is a glamour model with massive K-cup breasts! (MIDA-570)

彼女の妹はグラドル爆乳Kカップ！乳首は絶対死守と見せかけて家の中では超隙だらけ！オッパイが大き過ぎて何度も無自覚ポロリ。

I was going to stay at her house for the first time and met her younger sister, Komomo-chan, for the first time. Komomo-chan usually keeps her chest flat and well-protected when going out, – Jav.wine MIDA-570
JAV PornStar Koikawa Komomo / 恋川こもも