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Tightly clutching his Gibson guitar, Mafuyu Satou steps out of his dark apartment to begin another day of his high school life. While taking a nap in a quiet spot on the gymnasium staircase, he has a chance encounter with fellow student Ritsuka Uenoyama, who berates him for letting his guitar's strings rust and break. Noticing Uenoyama's knowledge of the instrument, Satou pleads for him to fix it and to teach him how to play. Uenoyama eventually agrees and invites him to sit in on a jam session with his two band mates: bassist Haruki Nakayama and drummer Akihiko Kaji. Satou's voice is strikingly beautiful, filling Uenoyama with the determination to make Satou the lead singer of the band. Though reticent at first, Satou takes the offer after an emotional meeting with an old friend. With the support of his new friends, Satou must not only learn how to play guitar, but also come to terms with the mysterious circumstances that led him to be its owner. (Source: MAL Rewrite)

BOCCHI THE ROCK!

Hitori Gotou, “Bocchi-chan,” is a girl who’s so introverted and shy around people that she’d always start her conversations with “Ah...” During her middle school years, she started playing the guitar, wanting to join a band because she thought it could be an opportunity for even someone shy like her to also shine. But because she had no friends, she ended up practicing guitar for six hours every day all by herself. After becoming a skilled guitar player, she uploaded videos of herself playing the guitar to the internet under the name “Guitar Hero” and fantasized about performing at her school’s cultural festival concert. But not only could she not find any bandmates, before she knew it, she was in high school and still wasn’t able to make a single friend! She was really close to becoming a shut-in, but one day, Nijika Ijichi, the drummer in Kessoku Band, reached out to her. And because of that, her everyday life started to change little by little... (Source: Crunchyroll)

Chihayafuru

Chihaya Ayase is a girl who has spent most of her life simply supporting her sister in her model career. That changes when she meets a boy named Arata Wataya, a talented karuta player who recognizes Chihaya's potential to become a great player herself. As Chihaya takes on a new dream of becoming Japan's best karuta player, she is soon separated from her karuta playing friends, Taichi Mashima and Arata Wataya, as they grow up. Now in high school, Chihaya still continues to play karuta in the hope that she will one day meet her friends again. (Source: Chihayafuru Wikia)

Blue Spring Ride

Yoshioka Futaba has a few reasons why she wants to "reset" her image & life as a new high school student. Because she's cute, she was ostracized by her female friends in junior high, and because of a misunderstanding, she couldn't get her feeling across to the one boy she has ever liked, Tanaka-kun. Now in high school, she is determined to be as unladylike as possible so that her friends won't be jealous of her. While living her life this way contentedly, she meets Tanaka-kun again, but he now goes under the name of Mabuchi Kou. He tells her that he felt the same way as she did when they were younger, but now things can never be the same again. Will Futaba be able to continue her love that never even started from three years ago?

BanG Dream! It's MyGO!!!!!

The best way to fit in at a new school? Start a band! Anon has just transferred to Haneoka Girls’ Academy where girl bands are all the rage. But she started school late, so there aren’t many girls left to recruit. Then she meets her first friend and Haneoka’s misfit, Tomori, who’s hesitant to join. Still, Anon is determined to persuade Tomori and experience the true power of friendship and music. (Source: Crunchyroll)