A popular one is 'Coldflash: A New Beginning'. In this fanfic, it starts with a situation where Flash has to trust Cold completely. It explores their dynamic in a post - apocalyptic setting. There are some great twists and turns that keep you hooked till the end.
There's also 'Frosty Encounters'. In this fanfiction, the writers often play with the contrast between Cold's cool demeanor and Flash's energetic nature, creating some really engaging scenarios. They get into all sorts of adventures together, which makes for a great read.
You can start by looking on Archive of Our Own (AO3). It has a vast collection of fanfiction, including a lot of 'coldflash' ones. The search function there is quite good, so you can easily filter for the specific tags you want.
First, study the characters. Know the traits of Flash and Captain Cold from the original source. For example, Flash's speed and his optimistic nature, and Cold's cool - headedness and his anti - hero qualities. Then, come up with an interesting plot. It could be something like a time - travel adventure where they have to work together to fix the timeline.
One great Villaneve fanfic is 'A New Beginning' which explores their life after the series ends in a very heartwarming way. It shows them building a normal life together while still having that spark between them.
A popular one is 'Bokuto and Akaashi: A New Chapter'. It starts with a post - volleyball career scenario for them. The story explores how their relationship evolves when they are no longer teammates but still have that unbreakable connection. It's really heartwarming to see how they support each other in this new phase of their lives.
I really like 'Patrochilles: Reimagined'. It delves deep into their backstories and how they came to be so close. It has some really interesting plot twists that keep you hooked from start to finish.
One popular bakugoxoc fanfic is 'A Spark in the Darkness'. It really delves into the relationship between Bakugo and the original character in a unique way. The OC in this fic has her own set of powers and challenges, which makes their interactions interesting.
There's 'Aokaga in the Spotlight'. This fanfic delves deep into their competitive yet affectionate dynamic. It shows how they push each other to be better both on and off the court, with detailed descriptions of their interactions.
One popular erisol fanfic is 'The Bond of Erisol'. It beautifully explores the relationship between the two characters. Another great one could be 'Erisol: A New Beginning' which takes the characters on an adventure. And 'Erisol in the Mysterious Realm' is also quite interesting as it delves into a fantasy world with the two.
Well, I really liked 'The Monoma Chronicles'. It gives a detailed look at his daily life at U.A. High, including his rivalries and friendships. Then there's 'Monoma's Hidden Talents', which uncovers some unexpected abilities he might have. And 'Monoma's Dream Quest' is a fanfic that takes him on an adventure in his dreams, facing his fears and desires.