Naisho No Kan-in -manatsu No Asedaku Koubi- !full!
I'll do my best to help you with more information or guidance.
The series is noted for its detailed focus on physical exertion and "sweaty" (asedaku) aesthetics, emphasizing the biological and carnal nature of the trysts over romanticized storytelling. Production Context Naisho no Kan-in -Manatsu no Asedaku Koubi-

