Well, perhaps the baby is left in Sesshomaru's path by some unknown force. Sesshomaru, being a proud demon, at first doesn't know what to do with it. But as time passes, the baby's innocence starts to soften his cold heart. He might start to teach the baby basic survival skills in his own way, all while still maintaining his aloof and powerful demeanor.
One possible plot could be that Sesshomaru, initially annoyed by the presence of the baby, gradually feels a sense of protectiveness. Maybe the baby has some special power or is related to an important prophecy. As he travels with the baby, he has to fend off various enemies who either want to harm the baby or use it for their own gain.
The baby could be a half - demon, related to some other important character in the series. Maybe it's the offspring of a character Sesshomaru has some history with.
Well, she could try to find a way to return him to his normal form. Maybe she'll search for some ancient magic or consult with a powerful sorcerer in the feudal era.
One great fanfiction where Kagome finds a baby Sesshomaru could be 'Kagome's Unexpected Discovery'. In this fic, Kagome stumbles upon a baby Sesshomaru in a forest glade. The story then delves into how she decides to take care of him, despite their previous enmity. It's a heartwarming tale of an unlikely bond forming between the two.
I'm not sure of a specific titled fanfiction exactly like this, but there could be many on platforms like Archive of Our Own. You can search for tags like 'Sesshomaru', 'Baby Kagome', 'Found Family' to narrow down the results. It's likely that in such a fanfiction, there would be a lot of cultural clashes as Sesshomaru is from a very different world than Kagome, which could make for some interesting plot points.
Well, it could be a heartwarming story where Sesshomaru takes on the unexpected role of a protector for the baby Kagome.
The plot might involve Goku finding the baby as part of some sort of mystery. For example, the baby could be a key to unlocking a hidden power or an important prophecy. Goku, being the hero he is, decides to protect the baby at all costs. He may seek help from his friends like Bulma to figure out more about the baby and its significance.
Well, it could be a heart - warming plot where Sakura discovers an abandoned baby and decides to take care of it. Maybe she has to face challenges like hiding the baby from authorities at first because she doesn't trust them to do right by the child. And then as the story progresses, she might find help from unexpected friends who support her in this new role of a surrogate mother.
Well, it could be that Dean stumbles upon a baby in some unexpected place like an abandoned building. He then has to figure out what to do with the baby, whether to find its parents or take care of it himself for a while.
Well, it could be about Raven coming across an abandoned baby and deciding to take care of it. Maybe she uses her powers to protect the baby from various threats in a magical world.
Well, perhaps Zuko finds a baby in a dangerous situation, like in a war - torn area. He decides to take the baby under his protection. Then he might search for the baby's family while facing various challenges along the way.