Saki Achiga-hen: Episode of Side-A -Kuro's Birthday (Kuro no Tanjoubi) accompanies the anime as a DVD special. The original "Kuro no Tanjōbi" comic came with the first Saki Zenkoku-hen Blu-ray volume.
- Genres: drama, comedy
- Themes: mahjong, school life, bishoujo, fanservice,supernatural, moe, camp (style), slice of life
- Demographics: seinen
The Achiga girls wonder what to get Kuro for her birthday. When asked, Yuu explains Kuro's love for breasts and for pictures. The girls then decide on Kuro's present but Yuu's gloves go missing.
- Achiga Girls Academy
- Kuro Matsumi is voiced by Kana Hanazawa
- Yū Matsumi is voiced by MAKO
- Ako Atarashi is voiced by Nao Tōyama
- Arata Sagimori is voiced by Yumi Uchiyama
- Shizuno Takakamo is voiced by Aoi Yūki
- Senriyama Girls' High School
- Toki Onjōji
- Sera Eguchi
- Himematsu High School
- Satsumi Matsuda as Hiroe Atago