Fanfiction about Shirou in Highschool DxD with 'Kyrie Eleison' in it

A simple plot could be that Shirou is transported to the Highschool DxD world and he starts hearing the 'Kyrie Eleison' chant everywhere. He is intrigued and starts to research about it. He soon finds out that it has a connection to a hidden power in this world. As he delves deeper, he has to face challenges from different factions who either want to stop him from uncovering the power or want to use him to get to it.

One possible fanfiction could involve Shirou being transferred to the Highschool DxD world and somehow obtaining Excalibur. Maybe he has to use it to defend the school from a new threat that the regular characters can't handle on their own. This would lead to some interesting interactions between Shirou's abilities and the magic and powers in the Highschool DxD universe.

Shirou would fit in as a powerful and unique addition. His combat skills and magecraft would make him a formidable ally or opponent. He could use his projection abilities to create various weapons and tools, which would be very useful in the battles that often occur in the Highschool DxD world.

One great fanfiction could be 'Shirou's New School Adventure in Highschool DxD'. In it, Shirou uses his skills from the Fate series in the chaotic world of Highschool DxD. He might form unique alliances with the characters there, like Issei. It's an interesting read as it combines the two different universes' concepts.

In this fanfiction, Shirou might be seen as an enigma. His calm and collected demeanor would be different from the more boisterous characters in Highschool DxD. He could potentially be a mediator between the different groups, given his own experiences with complex moral situations in the Fate series.

One possible scenario in such a fanfiction could be Shirou Emiya's unique abilities from the Fate series being introduced into the Highschool DxD universe. His projection magic might cause quite a stir among the devils, angels, and fallen angels in that world.

Well, there are fanfictions that explore Shirou's moral code in the context of Highschool DxD's world. For example, he might struggle with the more hedonistic and power - hungry aspects of some of the characters in DxD. He could use his skills as a hero of justice to try and bring some order or a different perspective to the battles and power plays in the DxD universe. There are also fics that focus on his relationships with the female characters in DxD, like how he would interact with Rias or Akeno, given his more reserved nature compared to the typical DxD male characters.

A plot could involve Shirou being transferred to the Highschool DxD school. He quickly catches the attention of Rias and her peerage. His different style of combat and his unwavering determination might lead to some friendly rivalries within the group. He could also introduce some new concepts of magic that the DxD characters have never seen before, like his ability to reinforce objects. And he may find himself in the middle of the power struggles between the different factions in this new world.

The plot could be that Shirou is summoned to the Highschool DxD world by accident. He discovers that his connection to Excalibur is stronger here. He is then forced to participate in the power struggles between the different factions. He uses Excalibur to protect the innocent students in the school from the more aggressive supernatural elements. Along the way, he might fall in love with one of the female characters in the Highschool DxD world, adding a romantic sub - plot to the story.

His projection magic might be affected by the different magical rules in the Highschool DxD world. Maybe it becomes more powerful or has some new limitations. For example, projecting holy swords could have a different energy cost or be more effective against certain types of devils or fallen angels.