Mafer is a Spanish artist and RPG Maker game developer. She has overall used pixel art and sprites to develop their games and as for the gameplay. Most of her games are comedy and mock common RPG Maker clichés.
Mafer tends to make visual novel-styled games revolving around the yandere trope, inspiring from CHARON. However, they have a more comedic tone, mocking common tropes seen in RPG maker games, such as yandere characters and cliché endings. There is less gameplay as opposed to storytelling in their games.
Her most common character is Guro. Initially an annoying one-note character that was supposed to mock yandere clichés in Blood Soup, he became so popular that his role in Mafer's following games increased, making sporadic appearances causing trouble to others.