Sasaki Saku

Sasaki Saku (笹木 咲) is a female Japanese Virtual YouTuber and a member of NIJISANJI. Previously, she was a member of NIJISANJI Gamers' second batch along with Honma Himawari and Yamiyono Moruru. She is the only member of NIJISANJI to have retired and later resume her activities as a NIJISANJI Liver.

Profile
A sophomore high school student from Kansai with a laid-back attitude and a love for video games and aquariums. Her favorite animals are pandas and Japanese pancake devilfish. She is commonly referred to as (and prefers to be called) "Saki-chan" or by her surname "Sasaki."

Background
Saku's Twitter account was opened on 28 June 2018 while her YouTube channel was created on 2 July although she did not start her activity on YouTube until her self introduction uploaded on 7 July.

2018
On 12 July, Saku reached 10,000 subscribers on her YouTube channel

Retirement and Return
In November 2018, Saku retired from NIJISANJI Gamers for undisclosed reasons, ceasing all activities after premiering a farewell montage on 11 November and privating most of her channel's content. Two months later, on 16 January 2019, Saku announced that she would be returning as a member of NIJISANJI, and her content was made public again.

2019
On 16 January, Saku reached 50,000 subscribers on her YouTube channel

On 19 February, Saku reached 100,000 subscribers on her YouTube channel

On 3 April, it was announced that Sasaki Saku, along with three other members of NIJISANJI (namely Dola, Rindou Mikoto, and Akabane Youko), would be getting an update to their 2D model. She showcased her updated model in a stream on the next day.

On 17 June, Saku held her official 3D model debut livestream on YouTube.

On 23 June, Saku reached 150,000 subscribers on her YouTube channel

On 12 September, Saku reached 200,000 subscribers on her YouTube channel

On 8 December, Saku reached 250,000 subscribers on her YouTube channel

2020
On 30 January, Saku reached 300,000 subscribers on her YouTube channel

On 10 April, Saku and Yashiro Kizuku began hosting "ヤシロ&ササキのレバガチャダイパン" (Yashiro and Sasaki's Lever Gacha Daipan) on the official NIJISANJI YouTube channel, a regularly scheduled 3D 30-minute program which invites different Livers to play games every week.

On 24 April, Saku reached 350,000 subscribers on her YouTube channel

On 1 August, Saku reached 400,000 subscribers on her YouTube channel

On 29 September, Saku reached 450,000 subscribers on her YouTube channel

On 26 December, Saku reached 500,000 subscribers on her YouTube channel

2021
On 2 March, Saku reached 550,000 subscribers on her YouTube channel

On 1 July, Saku reached 600,000 subscribers on her YouTube channel , making her the fifth member of NIJISANJI after Tsukino Mito, Kuzuha, Kanae, and Honma Himawari to reach the milestone.

On 4 November, Saku reached 650,000 subscribers on her YouTube channel.

2022
On 23 February, Saku reached 700,000 subscribers on her YouTube channel.

On 4 July, Saku reached 750,000 subscribers on her YouTube channel.

On 23 November, Saku reached 800,000 subscribers on her YouTube channel.

2019

 * On 8 December, Saku participated in the concert event "Virtual to LIVE in 両国国技館 2019 (Ryogoku Kokugikan)'' and performed songs with other NIJISANJI members.

2020

 * Saku was scheduled to perform at the Zepp DiverCity Tokyo venue on 5 March 2020 as part of the concert tour NIJISANJI JAPAN TOUR 2020 Shout in the Rainbow!, but unfortunately, the live event had to be canceled due to the dangerous climate surrounding the COVID-19 pandemic.
 * On August, Saku Participated in VTuber Most Cooperative tournament Apex Legends alongside Naraka & Ratna Petit as their Teams ONIPANDA

2021

 * On 27 March, Saku participated in Fall Guys Super Match alongside Saegusa Akina, Shiina Yuika & Fuwa Minato as their teams SaSaShiiFu & claim 5th Place in final rankings.
 * On July 2021, Saku Participated in Vtuber Fall Guys Sports Festival Alongside Hayama Marin, Mashiro & Yashiro Kizuku as their Teams Berry Destroyer & Claim 5th Place and 6 points in final ranking.
 * On 27 December, Saku participated in the 4th Mario Kart NIJISANJI Cup and became champion with 63 points during the final race.

2022

 * On 27 February, Saku participated in the NIJISANJI VALORANT Custom event organized by Lauren Iroas and Naraka as team "Nyon Nyon Peak" along with Naraka, Fuwa Minato, Nagao Kei, and Kitakoji Hisui.
 * On 26 March, Saku and her team "SaSaShiiFu" returned in Play Alive Fall Guys vol.2. They claimed 3rd place in the final ranking.

Fans

 * Saku fans are called "Sasa-kids" (笹キッズ).

Relationships

 * SakuYui, along with Shiina Yuika
 * Evergreen Nerd, along with Uzuki Kou, Makaino Ririmu, Lize Helesta and Yashiro Kizuku.
 * Onna no Iyana Dokoro, along with Shiina Yuika, Gundo Mirei and Otogibara Era.
 * Kaizan GIG, along with Akabane Youko, Shiina Yuika and Ryushen.
 * Kusaoshiri, along with Makaino Ririmu, Kuzuha and Shiina Yuika.
 * Gozayayo, along with Honma Himawari.
 * Junintoiro, along with Makaino Ririmu, Siina Yuika, Takamiya Rion, Rindou Mikoto, Kudo Chitose, Gundo Mirei, Yuzuki Roa, Ange Katrina and Lize Helesta.
 * Susumo Kindergarten, along with Ushimi Ichigo, Yamiyono Moruru, Honma Himawari, Makaino Ririmu and Sumomo.
 * NIJISANJI GALS, along with Higuchi Kaede, Shiina Yuika and Takamiya Rion.
 * NIJISANJI PROJECT WINTER, along with Kanae, Kuzuha, Lize Helesta, Ange Katrina, Tenkai Tsukasa and Fairys Chan.
 * NIJISANJI Resistance, along with Shiina Yuika, Hanabatake Chaika, Mononobe Alice, Aduchi Momo and Ryushen.
 * NIJISANJI Gamers (2nd and 3rd Batch Gamers), along with Honma Himawari, Yamiyono Moruru, Makaino Ririmu, Kuzuha, Setsuna and Shiina Yuika.
 * BanKouJou, along with Uzuki Kou and Lize Helesta.
 * Hiyoko Pantsu, along with Lize Helesta.
 * Dare Panda, along with Belmond Banderas.

Trivia

 * Color: #EF9AAF
 * Saku shares the same character designer with Honma Himawari and Hassaku Yuzu from Nijisanji and Karu from VirtuaReal.
 * She is close friends with Shiina Yuika.
 * In November of 2019 Saku adopted a kitten named Popo, a gray female Scottish Fold. For her birthday stream that month she even recorded and uploaded footage of herself playing with Popo (something comparatively uncommon for VTubers to do).
 * Saku's favourite Nijisanji Liver is Chaos from VirtuaReal.

Unofficial

 * 笹木咲搬运组 - authorised bilibili editing group

Twitter hashtags

 * #笹なま #笹らいぶ - Stream talk
 * #笹の絵 - Fan art

Further readings

 * 笹木咲 - Unofficial NIJISANJI Wiki
 * 笹木咲 - Pixiv Encyclopedia
 * 笹木咲 - Nicovideo Encyclopedia
 * 笹木咲 - Japanese Wikipedia
 * 笹木咲 - Moegirl Encyclopedia
 * 사사키 사쿠 - Namu Wiki