"Small Oppai" = "Chipai" ornamental work given to "Chipai" lovers! Women who shyly expose their small breasts and let out painful sighs as they are groped with fingers, brushes, pointing sticks, etc. "Oh, it's embarrassing because my boobs are small... If you like my boobs like this... I'm sensitive, so I might speak out..." Limited to 20 A-cup & B-cup women.