emeraldarrows

Both are mini dramas in the xianxia genre with an innocent plant fairy FL.
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Although different in tone (DAYS is darker), both are about a human FL who makes a deal with/becomes involved with the ML who is a personification of something (math vs. doom). Both MLs are cold and distant at first but become sweet when they fall in love. The FLs end up living at/attached to the ML's house which is sort of cold and barren, reflecting their life. Both dramas have a scene of wishing on meteors.

Both are short dramas with a school setting.
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Fluffy, sweet romances in a school setting.
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Both are mini dramas with a colorblind lead who works in a form of design (fashion vs. perfume).
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Both are short dramas with a school setting.
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Both are short dramas with a school setting.
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Both are short dramas with a school setting.
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Both are short dramas with a school setting.
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Both are short dramas with a school setting.
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Both are short dramas with a school setting.
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Both are mini dramas with the same actress as the FL. Both are more body positive and feature a unique queen FL who is a transmigrated person from the modern to historical era.