 If you liked
Shino to Ren
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 ...then you might like
Koutsugou Semi-Friend
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The girls in Convenient Semi-friend are like the successors of Shino and Ren. Their appearances are quite similar. Personalities are also similar. So, you can read Shino to Ren as an addition to Convenient Semi-friend, or read Convenient Semi-friend as if it's a sequel(it's not a sequel).