Atelier is a franchise with over 20 video games that began in 1997.
The third game ("Apprentice") in the Arland subseries, and 13th overall in the series, released in 2011.
The "Boy's Bath" ending features multiple males bathing.
The 'Boy's Bath' trophy is received if players transform Arls into a grand vacation paradise. Boy's bath event video
The prior 2 trophies require that the "Spa Land" special facility is built. The "Arls Hot Spring" can only be built after defeating Airshatter at Mount Velus.
The 'Waterside Encounter' trophy is received if players discover Hanna Olses as she bathes.
Escha & Logy no Atelier: Tasogare no Sora no Renkinjutsushi (anime)
This series began 10 April 2014. It is an adaptation of an October 2013 manga series based upon the 15th Atelier game, which was released June 2013.
Scan from Nyantype
- Wikipedia:Atelier series
- MyAnimeList for October 2013 manga
- MyAnimeList for April 2014 anime