As we don't have more information, the girl mc could be anyone. She might be a young girl from a small town who has big dreams but faces many problems on her way to achieving them. Or she could be a city girl dealing with the fast - paced and often difficult life in the city, like dealing with high - pressure jobs or complex social relationships.
One great anime is 'Sword Art Online'. The main character, Kirito, is extremely overpowered (OP). He is highly skilled in the virtual reality world of SAO. In the series, he also has a love story with Asuna. Their relationship develops as they face various challenges together in the dangerous game world.
I'm not sure specifically as you haven't given more details. It could be about a girl who is a main character (mc) facing various problems like relationship issues, school or work problems, or family troubles.
I'm not sure specifically what 'call girl mc story' is about as it could be a very specific or made - up story. It might be about a character who is a call girl and has various adventures in a particular setting.
One good anime is 'Sword Art Online'. The main character, Kirito, is extremely overpowered. He's highly skilled in combat within the virtual world of SAO. And there's a love story between him and Asuna. Their relationship develops as they face various challenges in the game world.
One popular 'guy protects girl' fanfic could be in the 'Twilight' fandom. In many fan - made stories, Edward might be protecting Bella in different, more creative scenarios than in the original books. For example, protecting her from new supernatural threats in Forks.
Fullmetal Alchemist: Brotherhood. Edward Elric is a very capable alchemist. The story is about the brothers' journey to find the Philosopher's Stone to restore their bodies. It has a great blend of action, mystery, and moral lessons, with a well - crafted world and engaging characters.
A very popular one is 'One Piece'. Luffy is the OP MC. While the love story aspect isn't as central as in some other anime, his relationship with Boa Hancock has elements of a love story. Hancock is in love with Luffy and it adds an interesting dynamic to the story, especially considering Luffy's rather oblivious nature to her feelings.
As we don't know the details of the 'call girl mc story', it's impossible to say for sure who the main characters are. But most likely, the call girl herself would be a main character.
In " Blade of Ghost Destruction," Tanjiro was a male protagonist who protected the female protagonist. In order to protect the female protagonist," Shirokata," he did not hesitate to fight to the last moment at the cost of his own life.