I'm not sure specifically as there could be many different stories within an 'Allana Series Graphic Novel'. It might be about an adventure of a character named Allana, perhaps she's on a quest to save her world or solve a mystery.
In the 'Allana Series Graphic Novel', the main character is Allana. However, there may be other significant characters. There could be a wise old figure who imparts important knowledge to Allana. There might also be a rival of Allana, not necessarily an evil one, but someone who competes with her in some aspect, like in a competition or for a certain position. These characters together would create a complex web of relationships and drive the story forward.
Luke and Solo were the two main characters in the Star Wars series. They were all heroes of their youth who had experienced many setbacks and growth. Luke longed to fly and escape from the planet that bound him. He planned to join the Imperial Military Academy. Han Solo also yearned for the life of a pilot, and his path also pointed to the Empire. They all wanted to become pilots and draw their own destiny in the starry sky. Luke's performance was relatively gentle, while Han Solo was a hooligan who was the most important to his survival. They had a complicated relationship in the series, sometimes friends, sometimes enemies. The story of Luke and Solo played an important role in the Star Wars series.
One important storyline is Jacen's fall to the dark side. Jaina is deeply affected by this and is involved in the events that unfold as a result. Another is their shared adventures and training as young Jedi. They both face challenges in the context of the galactic conflicts and the internal politics of the Jedi Order.