Kanojo ni Naru Hi

研究正文明确给出占据主线的男性恋爱对象、异性恋主线或男性中心后宫结构。 The central pair consists of Miyoshi, who remains male, and Mamiya, who previously lived as male and changes into a female body. This is a sex-change/TS relationship structure and not an original all-female GL pairing. 剧情依据：The manga follows childhood rivals Miyoshi and Mamiya after Mamiya undergoes the fictional 'emergence' into a female body. Their relationship changes from male/male rivalry into romance within a male/female bodily and social configuration, followed by marriage and pregnancy. 结局范围：Official volume 4 copy confirms that Miyoshi and Mamiya have married and that Mamiya's pregnancy is discovered while they consider an overseas research opportunity. The manga is complete at four volumes. 男性关系：confirmed and central through male partner Miyoshi and Mamiya's prior male life 关系背叛：not established 亲密内容：pregnancy confirms sexual reproduction within the marriage; explicit scene detail not established by publisher copy 参与者：adult marital status at the pregnancy endpoint is confirmed; earlier exact ages require direct review 年龄与同意：the story begins with school-age characters and an involuntary bodily change; exact age at sexual activity requires review 强迫与控制：the bodily transformation is involuntary; family opposition and social pressure are present 暴力与恐怖：not established as central 待补证：Direct-volume review is still needed for sexual-content detail, consent during the body change, pregnancy depiction, and secondary pairings. 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。