Sun owns a coffee shop and hires his brother's friend Mork to work with him and eventually become a couple. Although Sun and Mork are a second couple, their story takes place mostly at Sun's coffee shop. Coffee Melody has the same coffee shop vibe.
both shows are bl series, peach of time being a both korean and thai bl and coffee melody just a thai bl
in both of them, one of the main leads owns/works at a café
they're both bl series while dna says love you is a taiwanese series and coffee melody is a thai series
in both, there's a barista ml