 If you liked
Diamond Dust
|
 ...then you might like
My Boo
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Very different themes (one is a "ghost" story, whereas the other is centered around music), but the relationship between the main characters in both of these manga are very similar. Both relationships start slowly and reluctantly, and end up with the main characters providing a lot of emotional and psychological support for one another. In neither does the manga focus on the physical or sexual aspects of a romantic relationship. The characters struggle through many challenges together, however, neither pair ends up with a happy ever after ending.
Both are also webcomics, and are very emotional to read.