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What are some good manga/anime with decent writing, non-harem romance, and characters who act relatively realistically/calmly? Too many works these days seem to have characters who are incapable of interacting with the opposite gender in a normal setting (I'm talking about characters who blush crimson overthinking trivial things like hand-holding/indirect kisses and are unable to just act normal in or while pursuing a relationship).
Some examples include Horimiya, Akagami no Shirayukihime, Spice and Wolf, and most of Adachi's work (Cross Game, Katsu, Touch, etc).
Bonus points if the protagonists get in a relationship (or are essentially in one in all but name) mid-series rather than as the endgame.