I couldn't make out the kanji after 友 in the top left, so I had to partially translate that. The gist is that touching Haruka's body like that is too much for Minori.
In the end Halloween passed by with me not being able to prank Haruka-chan...What sort of prank were you planning to do?To tickle you on the sides.For about 5 minutes,*giggle*The standard prank, isn't it.Touching Haruka-chan is such a high hurdle that-...I-If it's you any prank is fine with me....this is not something your should say to anyone...Let me say this as Haruka-chan's fan number one.Kiritani HarukaaaaYou don't have to worry.I won't say it to anyone but you.That's even worse than the line before.