The artist had to delete his old galleries on Pixiv, due to the guidelines and uploaded them now in new Collection. If you follow the link to the source, there are 2 more group pictures of the characters from the first 4 parts.

The artist says that all his works are free and freely available, but if you still want to give him a little support:
https://www.buymeacoffee.com/ManicoCoffee

Manico
https://www.pixiv.net/en/users/68130164

The artist says that all his works are free and freely available, but if you still want to give him a little support:
https://www.buymeacoffee.com/ManicoCoffee

Here is an overview of Manico's After Office series:

After Office Sex - Vol. 1 - Nagisa
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After Office Sex - Vol. 2 - Momiji (You Are here)
/g/2403285/d3f5985299/

After Office Sex - Vol. 3 - Lisa
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After Office - Vol. 4 - Sayuri
/g/3036183/b7c5c6d5f6/

After Office Vol.5 - Misaki
/g/3036160/8dd8ea9e5d/

Source
https://www.pixiv.net/en/artworks/103087592