“Fun always comes at a cost,” Spencer Peppet warns in the opening line of the Ophelias’ “General Electric.” On paper, this sounds like good-faith advice, but in the context of the song, it’s creepy and menacing, delivered like a deke toast to an enemy Peppet is about to poison. Considering that the frontwoman and lyricist named her band after a tragically peripheral character, perhaps the play and its many stealthy murders were on her mind again as she was composing the Ophelias’ second album, . While the Cincinnati quartet’s 2016 debut, , never hid its overcast mood, this follow-up uses brighter surfaces to obscure sinister intentions, clothing surprisingly dark songs in indie-pop innocence.