Ygura was a female character in the Spellmaster's Manual. In document 1, it was mentioned that Ikura's female image was called Irina, and in document 4, it was also mentioned that Ikura was a female Spellmaster. Therefore, it was certain that Ygura was a female character.
I think 'Ao Haru Ride' could be a good choice. It has a comparable focus on the emotional journey of the characters and a similar style of storytelling.
Typically, 'manga de science fiction' often features advanced technology that doesn't exist in our current world. For example, things like flying cars, giant robots, or mind - control devices. It also tends to explore different social structures. Maybe in a future where the Earth is overpopulated, how do people live? And there are often strange new species or mutations. Like in some manga, there are human - like creatures with special powers due to genetic experiments.
Well, in fanfiction, the relationship between Eto Yoshimura and Rize's brother could be very complex. It might involve them being on opposite sides in the ghoul - human conflict. Maybe Eto, as a powerful ghoul, could see Rize's brother as a threat or an ally depending on the plot twists in the fanfiction.
One common theme is the struggle for identity. Since the OC is original, they often have to find their place in the Tokyo Ghoul world dominated by Eto and other known characters. Another theme is friendship or alliance with Eto. Many fanfictions explore how the OC can form a bond with her, either for mutual benefit or out of a sense of shared purpose.
I'm not too familiar with 'de shisen manga' to make a direct comparison. But usually, such comparisons depend on factors like art style, storylines, and character development.
Well, in the end of Cirque de Freak, there are some unexpected twists and turns that lead to a satisfying conclusion for most characters. The final scenes bring closure to the various plot threads that have developed throughout the series.