甘酸っぱい補習

The image shows a boy and a girl sitting at a table looking at each other. On the table there is a bag, a bottle, a book, and some papers. In the background there are benches, a blackboard, papers pasted on the wall, and glass windows. Through the windows, we can see trees and the sky, creating a peaceful atmosphere. 1girl, smile, blush, short hair, shirt, black hair, 1boy, closed mouth, hair between eyes, white shirt, sitting, upper body, school uniform, short sleeves, parted lips, collared shirt, hetero, sky, indoors, serafuku, cloud, looking at another, sailor collar, hair bun, black eyes, sweatdrop, blue sky, neckerchief, book, window, chair, table, sunlight, bottle, couple, curtains, blue sailor collar, light particles, eye contact, open book, hand on another's face, classroom, school desk, imminent kiss, water bottle