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An immensely popular original fanservice (often if not always centered around breasts) image series created by Himura Kiseki on Twitter as "offerings to the corporate wageslaves heading in to work on Monday mornings". Began on February 22, 2015 with this tweet. For over a year, it lacked any substantial commentary to go along with the images; during 2016, it started to bear some semblance of continuity, and a few reoccurring characters were given simple names for the first time.
Received an online 12-episode anime adaptation consisting of short five minute episodes starting on October 9, 2016. The series was given its own ending song by Ai's voice actress Harada Sayaka, but not an opening song.
The image series is also notable for distinctive blue-and-white monochrome coloration.
Characters
Female:
- Ai-chan
- Kouhai-chan
- Ai-chan's Sister
- Ai-chan's Mother
- Volley-Bu-chan
- Jitome-chan
- Trainer-san
- Announcer-san
- Tokumori-san
- Holstein-chan
- Rikei-chan
- Maegami-chan
- Cheer-chan
- Sada-chan
- Maegami-chan's daughter
- Hokuro-chan
- Ai-chan's kouhai
- Gimai-chan
- Gurume-chan
Male:
- Onii-san
- Senpai
- Volley-Bu-chan's Brother
- Sensei
- Yakyuu-bu-kun
- Jitome-chan's cousin
- Gimai-chan's_stepbrother
- Kouhai-chan's_brother
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