[Oreiro] It's Natsu's Fault [spicykestrel]

After overhearing Mamiya-kun lament a canceled swim club lesson, the curvaceous, ponytailed beauty Natsu seizes the chance to drag him into a private, steamy poolside tryst—pinning him with her ample, swimsuit-clad body as he gasps that her sudden advances are making his true intentions obvious. The heat escalates rapidly from a dripping locker room embrace into an intense, breathless encounter where Natsu urges "Go ahead and..." and Mamiya can barely mutter "Natsu senpai..." before they reach a shared, trembling climax.