Toshio-kun is a boy who lives next door. His mother suddenly left home, and I had to take care of him while his father was at work. At first I was hesitant, but his lonely expression made my heart ache, so I decided to become a mother figure for him. Then, one day while I was taking care of Toshio-kun... while I was making cookies to cheer him up, I spilled butter on my crotch. He was so absorbed in licking the butter off my crotch that I couldn't help but...