Sex Shinseki No Ko: To O Tomari Dakara

Often, the "relative's child" is someone the protagonist hasn't seen since childhood. The narrative focuses on the shock of realizing how much the person has grown and changed, shifting the dynamic from platonic family members to potential romantic interests.

" isn't a widely recognized title, your request likely refers to either the massive hit (My Star/Child of an Idol) or possibly Shiunji-ke no Kodomo-tachi sex shinseki no ko to o tomari dakara

: As reincarnated souls who were doctor and patient in their past lives, their bond is the emotional pillar of the series. Some fans highlight a "soulmate" angle due to their shared history, making their relationship unique among other characters. The Impact of Ai Hoshino Often, the "relative's child" is someone the protagonist