A [[Nijisanji]] [[virtual YouTuber]] who debuted as part of the second wave of [[Nijisanji Gamers]]. After a brief retirement and the disbanding of NijiGamers, she was integrated into the main Nijisanji on her return. Designed by [[Yasumo (kuusouorbital)|]].

h4. Appearance
[tn]See post #3602969. [/tn]

She is portrayed with [[short hair|short]] [[pink hair]] with a small [[ahoge]], and [[pink eyes]]. She also has a [[skin fang]] on the left side of her mouth. 

h5. Costumes
h6. Official costumes with a model
* [[Sasaki Saku (1st Costume)|Default]]
* [[Sasaki Saku (2nd Costume)|2nd costume]]: Casual
* [[Sasaki Saku (3rd Costume)|3rd costume]]: Sailor dress
* [[Sasaki Saku (4th Costume)|4th costume]]: Black dress
* [[Sasaki Saku (5th Costume)|5th costume]]: Jiangshi costume
* [[Sasaki Saku (6th Costume)|6th costume]]: White serafuku
* [[Sasaki Saku (7th Costume)|7th costume]]: Hoodie
* [[Sasaki Saku (8th Costume)|8th costume]]: Loungewear
* [[Sasaki Saku (9th Costume)|9th costume]]: Kimono

h6. Costumes shared with other members
* Nijisanji 4th Anniversary Fantasia idol outfit (post #5755771)
* NijiFes: Group Blue (post #6958117)

h6. Other
* [[sasaki saku (valkyrie hero)|Valkyrie Hero]]: [[Valkyrie Connect]] collaboration

h4. Nijisanji units and groups
* [[Nijisanji Gamers]] - second batch
* [b]Saku[/b][[Shiina Yuika|Yui]] (casual)

h4. External links
* YouTube channels: "solo":[https://www.youtube.com/@SasakiSaku] and "duo with Shiina Yuika":[https://www.youtube.com/@sakuyui]
* "Twitter":[https://twitter.com/saku_sasaki]
* "Nijisanji Unofficial Wiki article":[https://wikiwiki.jp/nijisanji/%E7%AC%B9%E6%9C%A8%E5%92%B2]
笹木咲 笹の絵