C87 Big Sister

"Then agree to one of my conditions. I'll call her to answer the phone!" Piggy says.

"What condition?" I asked Piggy.

"Can you call me sister?"

"Y-you're not as old as me, you're taking advantage of me!"

"Oh? You still dare to say that I took advantage of you? I never take advantage of anyone, and yet you slander me. Just based on this alone, if you don't call me elder sister