Manga Ore wo Suki Nano wa Omae Dake ka yo

Question: What would you do, if a girl you're interested in would confess to you? On top of that, what if there was another girl as well? A cool upperclassman adored by the whole school and your cheerful, energetic childhood friend. I bet you would be over the moon. Thing is, what if there was an unexpected problem about the contents of that confession?