The piece you are referring to is Mesu Tsumami 3: Shikkari Toshita Zuma to Toshishita no Otoko

The Mesu Tsumami series is known for its lighthearted and comedic tone, often featuring storylines that involve mistaken identities, awkward encounters, and humorous misunderstandings. The franchise has gained a significant following in Japan and has also gained popularity worldwide, particularly among fans of Japanese adult entertainment.

As part of the AliceSoft "Tsumamigui" brand, the gameplay is designed to be a "snack"—meaning it is generally more and focused on specific scenarios rather than the 50-hour epic RPGs AliceSoft is also known for (like the Rance series).

The keyword "Mesu Tsumami 3 -Shikkari Toshishitazuma to Tosh..." seems to be related to a Japanese adult video, specifically a Mesu Tsumami series. For those who may not be familiar, Mesu Tsumami is a popular Japanese adult video franchise that features a unique blend of erotic and humorous storylines.