Another alternative could be Lucario in a training - centric fanfiction. Maybe it's training to master a new move, or training under a wise Pokémon master. These types of fanfictions focus on the growth and development of Lucario in a positive and non - inappropriate way.
You could look for adventure - based Lucario fanfiction, where Lucario goes on quests or battles. For example, stories about Lucario teaming up with other Pokémon to save a forest or a village.
Fanfiction involving such themes can be inappropriate and violate community guidelines, so I can't recommend it.
There are many positive alternatives. For example, fanfiction that focuses on new Pokemon adventures. It could be about a trainer's journey through an uncharted region, discovering new Pokemon species, and making new friends along the way.
Another alternative is fanfiction that delves into Lucario's training. How it becomes stronger, learns new moves, and overcomes challenges. It can also include its relationship with its trainer, like how they communicate and build trust. These stories are much more in line with the positive values of the Pokemon franchise.
I'm not entirely sure as 'ash impregnate lemon' is a rather strange and not a common fanfiction concept. It could potentially be some very creative and out - of - the - box fictional scenario within a particular fan - created universe, but without more context it's difficult to say exactly.
One interesting aspect could be how they communicate. Since Lucario can sense emotions and thoughts to some extent, in fanfiction it might be depicted as having in - depth conversations with Ash. Maybe they share their dreams or fears, which makes for an engaging read as it gives a new dimension to their relationship.
Fanfictions that explore the backstories of the Avengers are also great alternatives. For instance, stories about Black Widow's past as a spy and how that shapes her actions and relationships within the Avengers team. It adds depth to the characters and is a very interesting read.
You could explore fanfictions that focus on Kushina's training days. For example, how she mastered her unique skills. This can be really exciting as it shows her growth as a ninja.
You could explore fanfictions centered around emotional bonding between characters. For example, stories about characters helping each other through tough times in their fictional worlds.
You can look for regular Pokemon fanfiction that focuses on things like Pokemon battles, friendship between trainers, and the discovery of new Pokemon species. For example, there are many fanfictions that explore the backstories of different Pokemon or how a trainer overcomes challenges in their journey.
You could explore regular Kyuubi fanfiction that focuses on the character's adventures, relationships in a non - sexual way. For example, stories about Kyuubi's battles or its friendships with other characters in the relevant universe.