Which is amusing since the property began back in 2006 in Ruby and the in-series magazine was Emerald.
North American fins finally got a home video release back in 2017 when Funimation brought out their first boys-love title with Sekai Ichi Hatsukoi – The World’s Greatest First Love.
Viz Media has been releasing the manga through its SubLime Manga imprint since 2015 under the name The World’s Greatest First Love: The Case of Ritsu Onodera.