A college girl, whose robust upper half doesn't match her young looks, does her first AV performance! It seems that by adding some muscle through some radical training, her tits explosively increased from a C-cup to an H-cup. Moreover, her tits' sensitivity levels increased as well! This healthy little cutie tackles both sports and sex seriously. The difference between her sweet aura and plump body makes for a unique charm...... First Time Shots Phys Ed Freshman At A Famous University She's Built Her Pecs Up So Much She's Gone From A C-Cup To An H-Cup! A Barely Legal Girl Who's Increased Her Bra Five Sizes 19-Year-Old Kozue.