For Naruto, you can explore his post - Hokage days in relation to Eri. Maybe he's more cautious and wise, and he imparts his knowledge to Eri. You can show his growth in handling diplomatic situations if Eri is from another village. For Eri Kitamura, if she's a new character, you can start by giving her a distinct personality. For example, if she's shy, Naruto can help her come out of her shell. Or if she's headstrong, Naruto can teach her the value of patience.
One idea could be a story where Naruto meets Eri Kitamura in a different dimension. Maybe Eri has some unique abilities that Naruto has never seen before, and they have to team up to face a new kind of threat that exists only in that dimension. They could learn from each other's strengths and weaknesses along the way.
Well, 'A Separation' by Katie Kitamura tells of a couple's split and how it affects them. The main themes might be about human connection, the fragility of relationships, and the process of healing and moving on.
A great Deku and Eri fanfiction could be set in a future where Eri has grown up a bit. She and Deku go on a mission together to rescue some hostages. Deku is proud of how far Eri has come and they work together as a great team.
A simple idea could be that Haru and Eri participate in a Digimon tournament together. They train their Digimon side by side, and in the process, they start to understand each other's training methods better. Their Digimon also form a closer bond as they spar with other Digimon in the tournament.
A fanfiction might focus on Haru and Eri getting lost in a strange part of the digital realm. They have to find their way back home while also helping some baby Digimon along the way. During this journey, they learn more about each other's dreams and fears. Haru realizes Eri's determination is much stronger than he thought, and Eri sees Haru's kind heart in a new light.
Well, 'A Separation' by Kitamura Katie M might tell a story of heartbreak and new beginnings. The style could be both raw and poetic, giving a vivid account of the separation experience.
Fanfiction.net is also a good place to search. There are many different categories and fandoms represented on this site. However, the quality can vary, so you may need to do some sifting through the results to find the really good eri and harima baby fanfiction. Look for stories with high ratings and positive reviews.
One great eri and harima baby fanfiction could be about their journey into parenthood, facing the joys and challenges together. For example, a story might focus on how they adapt their lives to take care of the baby, like changing diapers at odd hours and sleepless nights but still being filled with love for their little one.
Some Tumblr blogs are dedicated to sharing and recommending fanfiction. You could search for My Hero Academia fanfic blogs and then look specifically for Deku and Eri stories. They might also have reviews or summaries to help you decide which ones to read.