Houkago 2nd season
放課後2nd season
Prequel
73
75
75
Sequel
Houkago no Joshiyu
放課後の女子湯
manga
Shiine and Ichika have just confessed their feelings to each other and became lovers. They go to an open-air bath together, only to see an H scene playing out between two women (from *Torokeru Joshiyu*). The naked girls find themselves in an awkward situation! (Source: Melonbooks, translated)