Natsuo indeed ends up with Rui in the manga. The author crafted the storyline in such a manner that their connection deepened and culminated in a final pairing.
One common theme is the exploration of their relationship's development. Since their relationship in the original work is complex, fanfictions often expand on how they overcome obstacles and grow closer.
Definitely! Nagatoro ends up with Senpai in the manga. The development of their relationship throughout the story culminates in them being together.
In the manga, Masamune's romantic journey leads him to end up with Sayuri. Their relationship develops through various challenges and sweet moments.
Yes, Kazuya does end up with Chizuru. Their relationship develops throughout the story and culminates in a happy ending together.
In the manga, Haruhi ends up with Tamaki. Their relationship develops throughout the story.
No, Saiki doesn't end up with anyone. The manga focuses more on his supernatural abilities and comical adventures rather than romantic pairings.
Yes, Legosi does end up with Haru. Their relationship develops throughout the manga and culminates in a happy ending together.
Yes, they do. The manga concludes with Nishikata and Takagi getting together romantically.
Sorry, I don't have the exact answer. You might need to keep following the manga to find out.
I'm not sure. It might depend on the author's creative decisions and the development of the story.