The Shortest Distance Is Round 6.0 2019 Saitankyori wa Mawari Kudokute (2019) is the first part in the series.
Saitankyori Wa Mawari Kudokute: Rakka Ryūsui 6.1 2020 Saitankyori wa Mawari Kudokute: Ame to Soda Mizu is the second part in the series.