Description:

One day, a college student named Murakami encounters a dragon named Ilsela who came from another world. Ilsela, who aims to be an "Ichiryumae," seems to want someone to "adopt" them while they train in the human world...!?" Eating, sleeping, and playing with a dragon. A relaxed fantasy in a six-tatami room. (Source: Shogakukan, translated)

Description:

Monsters can't clean (their homes), hence a sister who can does that for them. Note: Includes 3 extra chapters.

Description:

A high school girl randomly finds an emperor penguin in her refrigerator and decides to keep it as a pet.

Description:

Miss Kobayashi is your average office worker who lives a boring life, alone in her small apartment–until she saves the life of a female dragon in distress. The dragon, named Tohru, has the ability to magically transform into an adorable human girl (albeit with horns and a long tail!), who will do anything to pay off her debt of gratitude, whether Miss Kobayashi likes it or not. With a very persistent and amorous dragon as a roommate, nothing comes easy, and Miss Kobayashi’s normal life is about to go off the deep end! (Source: Seven Seas)