It has been serialized in Media Factory's Comic Cune since August 2021, and is licensed in English by Yen Press.

Wanting to get past her heartbreak, Mei enrols into college with the strong determination to definitely get a girlfriend, which is just as well because she quickly finds herself surrounded by potential prospects.

Written and illustrated by Tamamushi Oku, I Don't Know Which Is Love, has been serialized in Media Factory's Comic Cune magazine since August 27, 2021.

[3] On May 9, 2022, Kadokawa released a vomic reading of the first chapter, featuring Sukoya Kana as Mei, Marika Kōno as Riri, Kanna Nakamura as Maria, Yumiri Hanamori as Minato, Kanako Nomura as Karin and Hitomi Ueda as Kaoru.

[11] Rebecca Silverman of Anime News Network gave I Don't Know Which Is Love's first volume an overall B− rating, praising Tamamushi Oku's art for being expressive and effective at capturing the different energies of each character.