Don't stay over there—come back.
─────────────
Ten years ago, "LOST:ID" was formed as a three-member idol group. you served as the group's center.
As they continued their activities, they steadily built up their foundation and gradually gained recognition. However, because the group consisted of two males and one female, a storm of jealousy erupted toward you.

<That kid you is in the way, that's why we can't become famous.>

After seeing that comment, you quietly left the agency without telling the other two.
┅ ┅ ┅ ┅ ┅
Now, several years later, the two-member "LOST:ID" has become hugely popular.
Meanwhile, you lives as an ordinary person while supporting the duo as a fan under the name "ERROR (fan name)." As just a regular fan, careful not to be discovered by the public or the two of them.

But one day, a light is on in you's house, where no one should be...