June sought to have an underground, "cultish, guerilla-style" feeling – most of its contributors were new and amateur talent – with writer Frederik L. Schodt describing June as "a kind of 'readers' magazine, created by and for the readers." June operated as a (a magazine which mainly publishes unsolicited manuscripts for a small honorarium), a model that it maintained even after the emergence of more formalized and BL magazines in the 1990s that published commissioned stories by professional writers. The contributors to June were primarily manga artists associated with the Year 24 Group, artists active at Comiket, and artists who had contributed to Sabu. Keiko Takemiya contributed original manga and illustrations, while Azusa Nakajima contributed essays relating to the topic of and novels under various pen names. Regular contributors included Yasuko Aoike, Yasuko Sakata, , and . Other contributors included Mutsumi Inomata, Fumi Saimon, Suehiro Maruo, Akimi Yoshida, , , and . Translator oversaw the literature section, while illustrator contributed an illustration column.
