Both manga tell the story of how the protagonists became a mangaka and their struggles. Both has a touch of realism (Kakukaku Shikajika is the autobiography of Kuragehime's author anyway). While There are also the figures that are respected for having deeply influenced the main characters. for Bakuman it's the editor, for Kakukaku Shikajika it's the art mentor.
Kakukaku Shikajika will contains more melancholic feels than Bakuman.
An older version of the protagonist looks back at the past with regret and tries to pinpoint where she went wrong. Kakukaku Shikajika is autobiographical, whereas Orange sets out to explore how different choices impact the present.
Despite following a different premise, both series chronicles a character's journey and their dreams. And throughout that journey, we learn from their experiences and hardships. Both series' main female protagonist has a similar personality with a passionate goal in their lives. There is also a distinctive amount of realism and metaphors in both series categorized by insightful narratives.