A particular thorn in the Demon Queen's side is Malori, a particularly powerful young mage that has repeatedly reached the top at the expense of her best friend Cerik, not to kill her, but to win her hand in marriage.

[2] They include Hayate × Blade by Shizuru Hayashiya, Tamen de Gushi by Tan Jiu, Miss Kobayashi's Dragon Maid by Coolkyousinnjya, Tales of by Yoshiharu Gotanda, and Fate/Grand Order by Yosuke Shiokawa and Yoshiki Kanou.

These characters don't just consist of a desire to seduce or run away from another person, [but] their psyche and behavior are justified by their story and life events that we learn gradually as the plot progresses.

"[21] The Beat praised Mage & Demon Queen for "combin[ing] multiple genre frameworks to create a queer comic that feels familiar but fresh", and for having "[s]elf-awareness about its foundations [to] give [the series] the chance to deliver on the validation of its central queer romance – and that's something worth coming back for at least a dozen times",[19] with Avery Kaplan specifically in particular praising its "AU stories about the characters by Melathia the Lamia [for] allowing irresistible fan service as well as a fascinating perspective on the role of fan fiction.

"[22][23] CBR reviewer Samantha Puc described the series' "characters a[s] interesting, the plot utterly original", also praising "the art [as] so perfectly detailed it's impossible not to get sucked in right from the jump.

"[14] A reviewer for The Geekiary praised the "attention to detail in the panels [as well as] the coloring", in addition to the "comedy, especially among the various demons, [of the] light-hearted romance with a heavy dose of adventure.