It would be very emotional. Harry, who has only known his parents through stories and memories, would now have the chance to actually build a relationship with them. They could be like mentors to him, guiding him in magic in ways he never had before.
One great 'lily and james potter fanfic' is 'The Potter Legacy'. It beautifully portrays their relationship and the challenges they might have faced. The characterizations are on point and it adds a lot of depth to the Potter family's backstory.
One interesting plot twist could be that their resurrection is part of a grand scheme by an ancient magic user who wants to use their combined power for some dark purpose. But James and Lily, being the good people they are, resist and try to turn the tables on the evil plotter.
I really like 'The Marauders' Era: Lily and James'. This fanfic does an amazing job of capturing the essence of the era they lived in. It has great descriptions of Hogwarts during their time, and the interactions between Lily and James are very well - written. You can really feel the chemistry between them as they go through various adventures together in and around Hogwarts.
One common theme is love. Their love story is often at the center, showing how they overcame differences (like James' initial arrogance) to fall in love. Another theme is friendship, as they are part of the Marauders' group. Their loyalty to their friends and how that affects their relationship is often explored.
One common theme is the growth of their relationship. Starting from dislike or indifference in the beginning, and then gradually evolving into love. Another theme is the Hogwarts backdrop. Most fanfics use the school environment to set the stage for their interactions.
The setting of the wizarding world. A good fanfic will use the magic, the Hogwarts environment, and the wizarding society to enhance their relationship. For example, a scene where they study magic together or go on a magical adventure in the Forbidden Forest can add a lot of charm.
Well, in the world of 'lily james potter fanfic', there are stories that imagine Lily Potter's life if she had survived Voldemort's attack. In these fictions, she could have been a powerful force in raising Harry, teaching him magic in a more direct way. Maybe she would have been involved in the fight against the remaining Death Eaters. Fanfic writers often take creative liberties to create unique and engaging stories around her character.
Family heritage is a common theme. Since they are Potters, many fanfics explore how they deal with the legacy left by their parents and ancestors. Another theme is friendship. They form new friendships at Hogwarts and these relationships are often central to the story.