Fukuro no Nakami

This manga is a collection of short stories: Ch 1: Cat-Neesan's Counterattack Ch 2: Gentle Bespectacled Devil Ch 3: Immorality's not Scary at All Ch 4: Love, Love, Really Love Ch 5: Endearing Body Ch 6: Sympathy for the Devil Ch 7: Sweet Kiss Ch 8: Lapis Lazuli Ch.9: The Bag's Contents