One idea could be exploring how they prepare for the baby in the wizarding world. Maybe they have to find special magical items for the nursery. Another could be how Tonks' shape - shifting ability might be affected during pregnancy. For example, if she unconsciously shifts while sleeping due to hormonal changes.
A plot could focus on the reactions of their friends and family. The Weasleys might bring over some home - cooked wizarding food to help Tonks with her cravings. And Lupin could be worried about passing on his werewolf gene and how they'll deal with that possibility, like researching if there are any magical cures or preventions.
Perhaps the story could involve Tonks and Lupin going on a small adventure while she's pregnant. They could be searching for a rare magical flower that is said to bring good luck to the unborn child. Along the way, they face some challenges like dark wizards or dangerous magical creatures, but they use their combined skills to overcome them.
Maybe Remus leaves because he feels unworthy. He has always seen himself as a danger and an outcast. Despite Tonks's love, he can't shake off his self - loathing. So, in the fanfiction, he leaves while Tonks is pregnant, leaving her heartbroken. However, their friends, like the members of the Order of the Phoenix, might try to convince Remus to come back and be a family with Tonks.
One idea could be to focus on how they prepare for the baby's arrival. Maybe Remus is worried about his werewolf condition affecting the child, and Tonks has to constantly reassure him. They could start decorating the nursery with magical elements.
One interesting story could be about the baby's first magical experience. Maybe it discovers its ability to transform like Tonks at a very young age and there are some cute and chaotic moments as the parents try to handle it. For example, the baby might accidentally change into different animals during a family gathering, causing both confusion and laughter among the family members.
One idea could be a story where Harry discovers a hidden spellbook that once belonged to Lupin's family. With Lupin's help, he tries to decipher the spells inside and in the process, they unearth a long - forgotten mystery about Hogwarts.
One great Lupin and Tonks fanfiction is 'The Lupin - Tonks Story' on FanFiction.net. It really delves into their relationship, from their initial meetings to the deeper emotional bonds. The writer captures Tonks' free - spirited nature and Lupin's more reserved personality very well, making their interactions seem natural.
A common plot point is Remus' struggle with his self - worth. He often doubts if he'll be a good father because of his werewolf condition. For example, in many fanfictions, he has internal monologues where he's worried about passing on his lycanthropy or being a bad influence. Another plot point is Tonks adjusting her Auror duties while pregnant. She has to balance her job and her pregnancy, which can lead to some tense situations with her superiors.
Well, it could be about Teddy having a dream where he meets his parents. In the dream, Remus and Tonks are as he's always imagined them. They tell him how proud they are of him, even though they didn't get to see him grow up. This simple encounter could be a very moving and emotional one, with Teddy waking up with a newfound sense of purpose and connection to his parents.
One interesting fanfiction could be about Tonks and Lupin's relationship during the early days of their acquaintance at the Order of the Phoenix. It might explore how they first noticed each other's unique qualities, like Tonks' Metamorphmagus abilities catching Lupin's attention.
One interesting fanfiction could be about Lupin and Tonks' relationship during the final battle. It might show how they supported each other and fought side by side. Another could be a pre - story of how they first met, perhaps at the Order of the Phoenix headquarters, with Tonks being all clumsy around Lupin which is really cute. There could also be a fanfiction where after Lupin's death, Tonks in a magical way gets to communicate with him one last time to say goodbye properly.
One idea could be that Lupin discovers he has a vampire ancestor and starts to develop some vampire - like abilities which he has to learn to control while on a heist. Another could be Lupin teaming up with a vampire hunter to steal a powerful vampire - related artifact from a group of evil vampires.