Nakatani Nio Tanpenshuu: Sayonara Alter

按本作已核实的具体关系或设定事实应用现行评级类别。 The collection contains female-female material through reprints from yuri anthologies, but the official description does not establish every included story as yuri. It must be treated as a mixed anthology rather than one continuous relationship narrative. 剧情依据：A 146-page collection of multiple one-shots by Nio Nakatani, including Sayonara Alter and works from several publication contexts. 结局范围：There is no single narrative ending; each short story has its own resolution. 男性关系：varies_by_story; official page lists a mixed short-story collection and does not support a single relationship structure 关系背叛：not_established_for_the_collection 亲密内容：not_established_by_official_book_description 参与者：varies_by_story_and_requires_story-level_review 年龄与同意：varies_by_story_and_requires_story-level_review 强迫与控制：varies_by_story_and_requires_story-level_review 暴力与恐怖：varies_by_story; not established at collection level 待补证：Review each included story for relationship type, male involvement, violence, sexual content, and ending. 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。