Rappa sells his (gender assumed since I don't know) works in book form. For example, a single book of his "Cafe Myouren Temple" work consisted of 3 volumes(12 pieces of 4koma strips each volume)+ a side story (Like the GestalTouHou one). This story seems to consist of 15 pieces of 4koma strips each volume, hence, this strip is the last part of the first volume.
It's a surprise that there'd be others with the ability to see spirits now that I'm a high school student.Right.Or rather, why did you follow me home?Oh, mom can't see spirits.Ah, welcome home.Does it really matter?Huh.Purifying SaltQuit Febrezing me.Pssh Pssh