 If you liked
Working!!
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 ...then you might like
Ano Hi Mita Hana no Namae wo Bokutachi wa Mada Shiranai.
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Both animes have a 'real life' aspect that is played upon but also riled up. Both set in modern times they focus on characters who may not be the generally accepted 'normal' to society, and show how people like this can connect to each other. Though Working is definitely less serious, I think they hold a lot of a similar feel.