Kouta is so cute, I just want to hug him! I kind of ship Momoya and Kouta... Honestly, I feel nothing for the main couple but I get all giddy seeing Hiro and Takezou >w<)!
The song that Momoyan was listening to (Moby Dick by Led Zeppelin) is known for it's drums, I love little details like these.
Also we are reaching levels of Chad-iness with Chika that shouldn't be possible