[Acbin's] Sheets no Ue no Tenshi [alparslan + mysterymeat3]

At a summer camp beach, a young boy finds himself drawn to a charming older girl who stands out in her swimsuit. What begins as simple seaside interaction turns into an intimate connection as the heat of the day leads to unexpected, tender moments between them. As they drift from the shore to the privacy of their quarters, a budding romance unfolds, testing the boundaries of their youthful attraction amidst the summer sun.