ひとりぼっちはさみしくて

Shio, a shy and solitary high school girl, spends her days writing lyrics on the school rooftop, dreaming of a future in music. She's used to being alone, but everything changes when Nao, a lively and outgoing classmate, stumbles upon her secret passion. Despite their differences, the two discover they share a common dream of becoming professional musicians. As they navigate the challenges of adolescence, family expectations, and their own insecurities, Shio and Nao's bond deepens, offering them strength to chase their ambitions. (Unreviewed summary by Grok 2)