Given

研究支持以男性之间的恋爱为重要内容，不能作为女性恋爱核心作品推荐。 The series centers male/male romantic relationships; official publisher copy explicitly follows Mafuyu and Ritsuka as partners and also addresses Akihiko and Haruki. 剧情依据：Music and relationship drama following Mafuyu, guitarist Ritsuka, bassist Haruki, and drummer Akihiko through grief, performance, and changing adult lives. 结局范围：Official publisher material identifies volume 9 as the final volume and later material revisits the cast ten years after graduation, including Mafuyu and Ritsuka making up after an argument. 男性关系：central_male_male_romance 关系背叛：relationship_conflict_exists_but_no_ntr_finding_supported 亲密内容：romantic_and_some_adult_relationship_content_exact_extent_not_catalogued 参与者：teen_characters_age_into_adulthood 年龄与同意：school_age_characters_in_early_story 强迫与控制：not_established 暴力与恐怖：bereavement_and_emotional_trauma 基于既有研究资料作出的 AI 评级；未重新抓取外部资料。未知项不表示安全或不存在。