My brain tells me that Nino is a crazy bitch who should get rejected, but every other part of my body wants her to tackle Fuutarou to the ground and fuck him on the spot.
@DanYHKim
Water from springs and rivers was still the primary source of hydration for most of the population. People in that time already had some unsophisticated ideas in identifying safe sources of water.
Some further reading on the matter...
An underage nun(?) and a kid masquerading as a priest inside a church, AND he's openly the son of a Catholic priest.
I enjoyed the manga, can't help but feel slightly triggered though.