2boys, naked, male, gay, male homosexuality, having sex, sex, passionate, hugging, embracing, blush, blushing, red cheeks, shy, embarrassed, open mouth, tongue, sweat, sweatdrop, brown hair, short hair, brown eyes, blue eyes, chest, stomach, bare legs, bare feet, outdoor, day, sunny, clear sky, sunlight, natural lighting, from front, portrait, looking at viewer, urban, city, street, road, pavement, public place, in public, public, background, scenery, trees, buildings, people, crowd, students, teacher, bystanders, surprised, gawking, school, anime style