[Yasson Yoshiyuki] Lovers (COMIC Anthurium 2019-12) [=White Symphony=]

Nana harbors a deep, secret longing for her brother, a desire that reaches a boiling point on the eve of her birthday. While he maintains the facade of a protective older brother, Nana is determined to move past their status as 'just friendly siblings.' As the tension between them breaks, a night of intense intimacy unfolds, blurring the lines of their relationship and transforming their familial bond into something far more visceral and primal.