Saitama is a very powerful hero in the One Punch Man universe. He can defeat any opponent with just one punch. He has a simple appearance and a somewhat laid - back personality.
Saitama's strength in the manga is basically off the charts. He has no known limits and can take down any foe with ease. His power seems almost invincible.
Saitama's strength in the manga is off the charts. He has no known limits and can overcome any challenge with ease. His power is so overwhelming that it often makes battles anticlimactic.
First, understand the characters well. Saitama is a very simple yet powerful character, and Tatsumaki is complex and prideful. Try to capture their essence. Then, for the lemon part, be tasteful. Don't make it too vulgar. You can use their relationship development as a build - up to any romantic or physical moments. Also, set a good plot. It could be something like they have to team up against a new threat and during that time, their feelings for each other grow.
Saitama's strength in the manga comes from his intense training and unwavering determination. He pushed himself to the limit every day, which eventually led to his overwhelming power.
The themes usually include power dynamics. Since Saitama is so overpowered, fanfics often explore how Tatsumaki, who is used to being one of the strongest, reacts to someone like him. Also, friendship or comradeship is a theme. Despite their differences, they might find common ground and work together. There can also be a theme of self - discovery, as they might learn something about themselves through their interactions.
A common theme is the exploration of their relationship. Given their different personalities, fanfictions often play with how they interact, whether it's in a comical way or a more serious, character - developing way.