What kind of title is this?: Light Novel.
How many volumes are there?: 10 volumes are listed.
Where can I read it?: Reading links are listed for Official Site. Check availability in your region.

Synopsis

About Henjin no Salad Bowl

Sousuke Kaburaya, an impoverished detective, met Sara, a princess from another world with magical powers. Sara began living with Sousuke, and she quickly adjusted to life in modern Japan. Meanwhile, Livia, a female knight who came from the same world as Sara, found herself lost and homeless, but surprisingly enjoyed her days here. These two people, who live a positive life despite their situation, began to have an impact on Sousuke and the other oddballs in the neighborhood, including a devilish lawyer, a divorce agent, and a cult leader. (Source: Shogakukan, translated)

Comedy Fantasy Slice of Life