[2.8k Words] [Little Sister/Big Brother] [Incest] [Age Difference] [Gentle FDom] ["Good boy"] [Handjob] [Nippleplay and licking] [Grinding] [Implied cowgirl] [Impregnation] [Breeding] [Kissing] [Cuddling] [Caring] [L-Bombs] [Aftercare] [Headpats] [Sleepy after sex] [Lullaby to sleep] [ReadByWren] Synopsis: After a long hard day of being berated by your boss, your little sister is waiting at home to cheer you up! But things take a turn when she insists on "taking care of you" and being your "mommy", despite the fact that she's 10 years younger than you. In the end, you make her a real mommy by impregnating her! Life is good with a little sister by your side, and a little kid soon on the way.