I absolutely LOVE the idea of this anime and what it trying to represent. Everything from animation to story telling fit together so well, like puzzle peaces, It such a serious topic but the way they express it in a none serious yet serious(Ish) way is so heart touchingly good!

Pacing:
I really, really, REALLY LIKED how hitori went from a nervous, unable to contain eye contact at all to expressing herself "freely", not feeling as much pressure as she did back when it started! The way they made her personality is so fitting for people with social anxiety, most of them would chose to remain in a world free of judgment or imagining what would happen if they said certain things differently, How others would react to there opinion, etc. They showed that really well with her "melt" state. I love how the more it progresses the less it happens, it like she broke free from her overthinking self, always thinking things negatively instead of just trying it and "fk it, we ball" mentality.

characters:

I can't put to words how much I love the contrast between ryo and hitori, they are the same but polar opposite. Instead of begin an introvert like hitiro, she just chose to be one. She always seems like a "ass head" throughout the anime, but shes just like that, The way she shows how she cares for someone is by bullying them nicely.

I love The moments where she broke out of character to give hitori motivation, like in the lyric part. She gave her the motivation to believe in herself and do what SHE wants instead of focusing on what others may think of it, or doing something in a different way to please everyone

(@armorgun1)

The enemy of introverts: extrovert

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Say her name once and you'd put any introvert into a coma. I used to dislike her at first until she revealed a bit about her back story, I like how they made her some what "depressed" but instead of begin one, she hides/fakes it. The way she courage's everyone to keep trying and not to give up is really wholesome, she wants to help hitori cause she was like her once, and that's heartwarming. (at least that's the vibes I get)

The final boss of extroverts: Extra Extra extroverts

Wish they gave her more moments expressing herself more. From what I gathered, she's a really guidable person, she feels guilt whenever shes not nice to someone or when she ignores someone slightly . Her determination to improve her gutar to show how much she appreciate ryo/hitori effort that goes into her, she dosen't want to let them down.

The holy trinity

I absolutely LOVE Seika Ijichi/Kikuri Hiroi.

Ijichi Is the older sister to them all, she cares deeply about there band but doesn't want to admit it openly, she puts them though so much hardship cause she wants them to be better than her previous band. The way she shows motivation to hitori and stands up for her is also really shows how much she cares.

The drunkin dwarf. I like how silly she got a soft heart with a dumb head. shes a big reason why hitori pulled off the performance at the festival, she didn't want to let her or any of her fans down, so she tried to replicate the "heroic" vibe the dwarf gave in her concert.

Tldr;

The whole premise of the show is how to battle social anxiety and some other mental issues in a fun, silly way.