Ooizumi Mai

The virtual, ideal, imouto that came out of the 2D world to be with Ryou. Mai is the innocent, sweet, sister that can take care of any housework with ease and yet be naturally clutzy in front of older brother. Has little knowledge in terms of sex which results in interesting curiosity-bound situations. Also has a complex with the size of her breasts. This mysterious bishoujo often makes Ryou question reality... and with good reasons…