Another theme is the exploration of their differences. Shigaraki represents chaos and destruction while Deku represents hope and heroism. Fanfics usually explore how these two opposing forces interact and influence each other. For example, in some fanfics, they start to understand each other's perspectives better as they spend more time together.
One common theme is redemption. Often, the male reader is seen as a sort of guiding light for Shigaraki, leading him towards a path of redemption or at least a change in his ways. For example, in many stories, the male reader's kindness makes Shigaraki question his own violent actions.
One great 'Shigaraki x Deku' fanfic is 'Unlikely Bonds' which explores a unique friendship-turned-something -more between them. It delves deep into their complex characters and how they might interact in different scenarios outside of the main plotline.
Shigaraki is not dead in the manga. The storyline has many twists and turns, and his character plays a significant role, so his survival adds to the ongoing drama and suspense.
Sure! One popular shigaraki x male reader fanfiction is 'Unlikely Bonds' on Archive of Our Own. It delves deep into the relationship between Shigaraki and the male reader, exploring how they come to understand and care for each other in a world full of chaos. The story has great character development and an engaging plot.