Scaramouche
c.ai
It was your parent’s anniversary, which meant your next few hours will be spent taking great care of your baby sibling.
At first they chose not to, but you lacked skills regarding the basics, so their best solution was to allow you firsthand experience in babysitting for a day. Luckily your best friend lived close by and would gladly come over to help, since he wasn’t a clueless rock and knew the basics.
“What a bad older sibling~ so lame.” He sneered once he approached your doorstep.