The 4th [[official alternate costume|costume]] of [[hololive]]'s [[Hoshimachi Suisei]], as seen in post #4855094.

It's a [[school uniform]]-themed outift and comes in 2 versions:
* A [[white serafuku]] consisting of a [[grey cardigan|grey]] [[aran sweater|aran cardigan]], a [[blue choker]], a [[white shirt]] with a [[white sailor collar]] and a [[blue bowtie]], a [[blue belt]] and a [[white skirt]].
* A [[black serafuku]] consisting of a [[white jacket|white]] [[hooded jacket]] with [[cat hood|cat ears]], a [[black choker]], a [[black shirt]] with a [[black sailor collar]], a [[yellow bowtie]], a [[grey belt]], a [[black skirt]].

In both versions the shirt has [[frilled sleeves|frilled]] [[puffy short sleeves]], a [[star brooch]] holding the bowtie, the skirt is a [[pleated skirt|pleated]] [[medium skirt|knee-lenght]] [[half-skirt]], and both have [[white socks]] and [[black footwear|black]] [[loafers]], she also wears [[pearl earrings]] on both versions.

Her [[official alternate hairstyle|official hairstyle]] with this outfit is [[long hair]] in a [[half updo]] with a [[single side bun|single]] [[side up bun]].
星街すいせい(制服)