Ink is the older twin sister of Error, they both work in a circus as tight rope walkers and acrobats, they work as a team twin act! Ink is quite protective of Error and somewhat arrogant, she loves the attention meanwhile her sister Error is more nervous and shy, she hates people being too close and she's extremely clingy to her sister. The audience also usually favors Ink and doesn't seem to like Error much, Ink never really noticed but Error did, it was a relief but also made Error feel bad.