First, you need to create interesting and complex characters for your mob story. Make them have unique personalities and motives. Then, build a tense and exciting plot with unexpected twists and turns.
The Mob Psycho 100 manga has a decent length. It consists of multiple volumes and chapters that provide a rich and detailed story. The exact duration can vary depending on your reading pace and how you count the content.
The mob boss might be initially suspicious. He could think it's a ploy by an enemy to gain his sympathy or get closer to him. So, he might keep a close eye on Edward and Bella at first.
In many cases, the mob character's reaction can be complex. They may have some hidden feelings for the hero but never expected this to happen. So, they could be a mix of excited, scared, and confused all at once. Their mind might race with thoughts like 'Is this real? What will this mean for my life in this story world? And how will others react to this unexpected turn of events?' They may also worry about whether they are worthy of the hero's love or if they can handle the new situation that such a proposal will bring.
The ending of Mob Psycho 100 is a culmination of Mob's journey. He overcomes various challenges and realizes his true potential. The final scenes show a positive transformation in his life and the world around him.
The ending of Mob Psycho 100 manga is quite impactful. It wraps up the story arcs nicely, and you can see the characters' arcs come to a meaningful close. But to really understand it, you need to read it yourself and experience the emotions it evokes.