FSDSS-397 Kaname Momojiri's sisterly care turns into a daily habit

The first cigarette was smoked years ago, and right after, the sister began breastfeeding him every day. That routine kept up until he was fully grown, and the habit never really stopped. Kaname Momojiri plays the sister, and the story revolves around her breasts and the jealousy that sets in when another man might lay claim to them.