I'm not sure specifically as I haven't read this particular fanfiction. But generally, a revenge fanfiction might involve a character named Hiroki from 'kokujin no tenkousei' seeking vengeance against someone who has wronged them. It could be about personal grudges, betrayal, or some sort of injustice done to Hiroki.
One common theme could be the exploration of their relationship in more intimate settings, given the 'lemon' aspect which often implies romantic or sexual content. However, many also focus on their emotional connection, like how they support each other through difficult times.
His songwriting skills are quite remarkable. Hiroki often writes lyrics that are both profound and accessible. He can take complex emotions like heartbreak or hope and put them into words that fans can understand and feel. His contribution to the songwriting process has helped shape the unique sound and identity of My First Story.
Mori Senpai would likely become more openly affectionate. In the series, he was often reserved, but as Haruhi's husband, he would show his love more freely. Haruhi, on the other hand, would probably become more aware of Mori's needs. For example, she might notice when he's tired or stressed and take steps to comfort him.
One great 'Junjou Romantica Hiroki x Nowaki' fanfic is 'The Unspoken Bond'. It beautifully captures their relationship's nuances, from Hiroki's initial guardedness to Nowaki's unwavering devotion. The author does an excellent job of showing how they grow together, with tender moments and some light-hearted banter that fans of the couple will adore.
Hiroki in My First Story has a distinct style. His voice can range from soft and melodious to intense and raspy, which really adds depth to their music. He also has a great sense of fashion that reflects the overall aesthetic of the band.
One common theme is friendship development. Since they are from different personalities, exploring how they become closer friends is a popular topic. For example, Mori's quiet nature and Haruhi's more outspoken self learn to understand and complement each other.