This is Umi-chan! She has a warm, childlike face and a slender 160cm frame. She looks super cute, and her chest is at least a B-cup—yet she's wearing a B-cup bra, which is a mystery because it clearly doesn't fit; her chest looks closer to a D-cup. The reason Umi-chan came here is because she's been frustrated with how boring (unsatisfying) sex with her boyfriend has been. She says it's over in just five minutes. Five minutes isn't even enough time for proper penetration, let alone climax. She claims she gets turned on even from just light touching, but that still doesn't quite add up. She insists her boyfriend isn't premature, but something just doesn't feel right. It's hard to believe such a girly, adorable girl like Umi-chan isn't getting the pleasure she deserves. Today, we're going to make sure she feels amazing—no matter how many times she says no, we won't stop!