Natsume Ono, manga author ( House of Five Leaves, Not Simple ), drew an one-shot romance manga under the name “Supermarket Romance”. This 8-page manga is a promotional campaing celebrating the release of Gorokki wa Itsumo Shokutaku o Osou, a “food theory” book by Rika Fukuda that contains illustrations by Ono.
Supermarket Romance by Natsume Ono
This manga has been posted online by Ohta Publishing’s pocopoco website