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Non Non Biyori is a really charming SoL, its set in rural japan.
Amagami SS is an "omnibus" romance/comedyish show (omnibus meaning that every girl gets a few episodes, and every time one girl gets to the end, the show resets back to a certain point.) I highly recommend this one, it has a girl for everyone.
If you want to expand your horizons a little further Toaru kagaku no railgun is like 50% SoL and 50% plot stuff, to varying degrees. Theres two seasons, and then you could watch Toaru Majutsu no index, the 'main' series for railgun. there are also two seasons. this is just my personal bias speaking but I really like these. Though theyre really not Romance based at all.