Maybe there could be a conflict where other characters in the Sonic universe don't trust Shadow with baby Sonic. They might think Shadow has ulterior motives, and Shadow would then have to prove that he just wants to give Sonic a good upbringing. This could lead to a lot of drama and interesting interactions between the characters.
Another possible plot development is that as baby Sonic grows up under Shadow's care, he starts to develop a unique set of skills and a personality that is a blend of his natural Sonic - like traits and the influence of Shadow. This could involve Sonic learning some of Shadow's more serious and brooding ways while still maintaining his own fun - loving essence, and it could lead to new adventures and challenges for them both as they face the Sonic universe together.
Another option is to look on Tumblr. There are many Sonic fans on Tumblr who create and share fanfictions. You can use relevant tags such as #Shadow adopts baby Sonic #Sonic fanfiction. This way, you may come across some interesting stories that match what you're looking for.
Perhaps Voldemort adopts Hermione with an ulterior motive at first, like using her intelligence to further his own dark plans. But as he spends time with her, he starts to develop a strange sort of paternal feeling. Hermione, on her part, could try to subtly change Voldemort's views. She might introduce him to the value of Muggle - born magic and the importance of equality, which could gradually make Voldemort question his own pure - blood supremacist ideology.
One possible plot development could be Roy guiding Edward in his alchemical studies in a more father - like way. Since Roy is highly skilled in alchemy, he could teach Edward new techniques and help him better understand the principles. Another aspect could be Edward adjusting to a new family - like structure with Roy. He might struggle at first, being used to relying only on himself and Alphonse. There could also be a focus on how their relationship affects the world around them, for example, in their interactions with the military and other alchemists.
One possible plot development could be how the wizarding world reacts to the loss of the so - called 'Chosen One' even as a baby. There might be widespread grief and fear among those who opposed Voldemort, as they had placed so many hopes on Harry. Another aspect could be how Voldemort's reign of terror continues without the threat of Harry Potter. He might become even more powerful and tyrannical, with no one to oppose him in the way Harry was prophesied to.
Common themes in 'baby shadow and sonic fanfiction' include the idea of family - like bonds. Sonic can be like an older brother figure to baby Shadow. There is also the theme of self - discovery for baby Shadow. He may be trying to figure out who he is and what his powers mean. Additionally, exploration of the Sonic world is a big theme. Authors often take the opportunity to create new areas or expand on existing ones in the context of the adventures that baby Shadow and Sonic go on.
One possible plot development could be Sansa trying to escape with the unborn child to protect it from Ramsay's cruelty. She might seek help from old allies or find a hidden place to hide until the baby is born.
One popular story could be about baby Sonic and Shadow's adventures in a magical forest. They might discover new powers or encounter friendly creatures. Another could be them learning valuable lessons together, like the importance of friendship.
It could be that while Sakura is restrained, other characters get involved. For example, Naruto or Sasuke might sense her distress. Naruto could try to talk Itachi's shadow clone down, appealing to their shared experiences. Sasuke, on the other hand, might be more aggressive in his approach to free Sakura, leading to a tense stand - off between him and Itachi's clone.
Well, perhaps Harry discovers an orphaned baby in a dangerous situation. He decides to take the baby in out of the kindness of his heart. He then has to learn how to take care of a baby while also dealing with his own wizarding world responsibilities. Maybe he asks his friends like Hermione for advice on baby - care.
Well, in this fanfiction, perhaps Hermione adopts a baby who has some sort of special magical ability. Maybe the baby is an orphan from a tragic event in the wizarding world. Hermione, with her kind heart and strong sense of justice, decides to take the baby in and raise it as her own. She would then face challenges like protecting the baby from dark forces who might want to use the baby's power for evil.