16-sai, Shinkon Hajimemashita.

16-sai, Shinkon Hajimemashita. is a shōjo manga series written and illustrated by the mangaka Kayoru, serialized in the Japanese magazine Sho-Comi starting in the early 2010s. The narrative centers on the trope of an arranged teenage marriage, a common theme in romance manga that explores the domestic dynamics and emotional growth of young protagonists thrust into adult responsibilities. It is part of a wave of contemporary shōjo literature that focuses on the intersection of school life and domestic intimacy.

Kayoru designed the series with a focus on delicate, expressive character aesthetics, a hallmark of the Sho-Comi house style which prioritizes romantic tension and visual appeal. The series was well-received by its target demographic, finding success as a collected volume series due to its accessible prose and lighthearted approach to complex relationship milestones. It remains a representative example of how the magazine fostered romantic fantasy narratives during that era.