An immensely popular series of original illustrations and silent comics created by Himura Kiseki on Twitter, with the stated goal of providing "offerings to the corporate wageslaves heading in to work on Monday mornings", in the form of fanservice that is centered around large-breast girls and women. 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, with a steadily increasing proportion of new releases being silent comics instead of mere illustrations.
Received an online 12-episode anime adaptation consisting of short five minute episodes starting on October 9, 2016, localized in English as Tawawa on Monday. The series was given its own ending song by Ai-chan's voice actress Harada Sayaka, but not an opening song.
The image series is also notable for distinctive bluemonochrome coloration.
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