"straggling" is an electronic song by ROMO, sung by Hatsune Miku. According to the producer, its genre is progressive house. The song's lyrics deal with "straggling on" after separation, seemingly from a lover.
Originally created as an EDM study/practice track, ROMO released an early version of the song that was heard by Jrharbort, a popular electronic VOCALOID music promoter on YouTube. Jrharbort asked ROMO if he could make a video for it; ROMO said yes, but not before he retooled the song's mix. The final version was released on January 21, 2014, with an official YouTube upload on Jrharbort's channel. Subsequently, the song ranked at #18 on the Weekly VOCALOID Ranking during week #330.