The chapter said it didn't know the length of the lazy river, so assuming the diagram of the pools is correct and the first pool has an area of 150 m^2, the lazy river has an area of approx. 1218.8 m^2, and a length of about 292 m. All +/- a few percentage points I think.
This chapter is kinda reawakening my interest in this manga, while Hanabi has been an antagonist so far, the last few chapters showed pretty nuanced character writing for both her and Ichinose. Hanabi finally understands that their relationship was toxic and seems to also understand that she...
Uhhhh, did you not read any of the last chapter? The author literally outlines the plotlines they were planning on doing but couldn't. Most likely the publisher just dropped the series and the author had x amount of chapters to wrap it up.
Hmm. I like the initial idea of an isekai character knowing what's going on, and ending up interacting with the big baddy or whatever, but wow this setup is contrived.
They could have just left it at 'MC takes brothers place to avoid plot point x' but instead there's a runaway mom with a debt...