[ So they both have a different sort of potion. That's worth noting. It's likely that both potions do something different. ]

We're too old for games like that. [ Except, they really aren't. Stupid dares are exactly what boys their age do. Megumi just happens to be a 40-year old man disguised as a teenager. ]

And I don't want to be responsible if anything happens to you. I was just curious about what it does ...

[ So if this other boy does decide to drink it? He wants to watch what happens. ]