Try 'Bleach'. It shares similar themes of adventure and supernatural elements with Light and Shadow. The character designs and world-building are also comparable.
You might like 'Fullmetal Alchemist'. Both have complex storylines and rich character development similar to Light and Shadow. Also, the art styles have some commonalities.
You might like 'Fullmetal Alchemist'. It shares some thematic elements and a unique art style with Light and Shadow. The character development and story arcs have similarities too.
I'd recommend 'Naruto' - it has similar elements of adventure and character development as Light and Shadows.
One manga that could be similar is 'Watchmen'. It shares elements of dark themes and complex characters like Batman.
One manga that might be similar is 'Parasyte'. It has elements of horror and action, like Gantz, and explores themes of survival and humanity's response to strange threats.
I think 'Fruits Basket' could be similar. It has a similar emotional depth and character-driven storylines like 'Swan'.
I think 'Love Hina' might be somewhat similar. It has elements of romance and character development like in Sextudy.
I think 'School Days' could be somewhat similar. It has similar elements of complex relationships and emotional turmoil.
Well, 'Parasyte' could be a manga similar to Kaijii. Both have elements of horror and mystery, and the character development is quite engaging in both.
It's hard to say exactly. But you might want to check out manga like 'Attack on Titan' as it shares some similarities in terms of intense storylines and complex characters.
Well, 'My Hero Academia' could be similar. They share elements of adventure, diverse characters, and a focus on personal development and facing challenges.