Horimiya manga volume 4 features story by HERO and art by Daisuke Hagiwara.

In Horimiya volume 4, when Miyamura murmurs an "I like you" to Hori, who's laid up in bed with a fever, is he talking to himself? Or is he actually confessing to having feelings for her?! Hori is conflicted, but their secret-filled relationship is unmistakably changing little by little...