Today, my mom asked me to run an errand to my grandfather's house for the first time. I've been to his place before, but mom always came with me, so I'm feeling a little nervous. Whenever mom isn't around, Grandpa and the others always tease me by tickling my body, which makes me really embarrassed. Since I'm alone this time, I wonder if I'll be able to endure it... When I arrive at Grandpa's house, what kind of welcome will I get? I can't help but worry.