Chapter 113
A salary man is quite depressed, especially on Mondays. At his lowest point a well-endowed High-School girl calling herself Ai-chan stumbles breast-first into his face. The concussion she gave him served as the start of their relationship. Features additional single-page images of other side-stories.
Chapter 2
A collaboration work between Yom (author of Ganbare, Douki-chan) and Himura Kiseki (author of Getsuyoubi no Tawawa). The manga presumably takes place after Chapter 29 of Douki-chan and Chapter 284 of Tawawa.
Chapter 45
Fan-colored version of Getsuyoubi no Tawawa collected volumesFeatures fan-colored versions of illustrations posted on author's twitter every Monday and collected as Doujinshi Volumes along with extra stories