Tetsunagi Kooni.

Tetsunagi Kooni. (てつなぎこおに. ) is a manga series by Ume Aoki. It is serialized in Dragon Age Pure.

Plot
With her mother missing and an empty stomach, the Oni girl Senri reluctantly came down the mountain towards human habitation, where she collapsed in the street.

Coming across her by chance, the human girl Shino offered her house as place for Senri to live.