User blog comment:Seieireppa/Nanako’s Magical☆Mystery☆Adventure, part 2/@comment-14812118-20150314170513/@comment-1419424-20150314175900

That discrepancy is entirely the point. You go in expecting something lighthearted and BAM murder. "Whoa, I wasn't expecting this," you (hypothetical reader) say. "I should read on and find out what's going on!"