Description:

When high school student Sora Kashiwagi finds himself staring down a mysterious oversized package sent to him by his self-proclaimed "adventurer" father, the last thing he expects is for it to be opened from the inside... by a little mummy so small it can fit in the palm of his hand! (Source: Crunchyroll)

Alternative Titles:

ミイラの飼い方, Miira no Kaikata