Jun Shirasaki and the Jinguji sisters are neighbors and childhood friends. When the older sister Ryumi, who was Jun's first-time girlfriend, broke up with him, she will say something that will make the three people's relationship, their first loves, and their romance to become slightly complicated—? (Source: ComicWalker, translated)

We can't always just be childhood friends. A first-love comedy with a pair of twins! (Source: Kadokawa, translated)