Shout Loud My Heart summary: Feelings that cannot be put into words are put into music-- Gen, a university student who plays guitar in the rock band "Eve," meets a man named Mike at a live music venue one day. He smokes cigarettes and talks about whatever he likes, making him seem like a shady guy. But what Gen hears is a clear, straightforward, one-of-a-kind singing voice. The next day, the two discover they are attending the same university. Gen is normally not interested in other people, but Mike's voice is special. Whether he's singing or talking, it slips into his heart. If that voice were to woo him-- Before he knew it, Gen was even thinking about such things...