Well, there's a fanfic called 'The Unlikely Pair'. In this story, Blaine and Tina find themselves in an unexpected situation where they have to work together to organize a big event at school. It's full of humor and also some really heart - warming moments as they get to know each other better. There's also 'Shared Secrets' which delves into their personal secrets and how sharing them brings them closer.
Sure. One popular Blaine Tina fanfic is 'A New Beginning'. It explores their friendship in a really interesting way, showing how they support each other through different challenges in school. Another great one could be 'Dreams and Duets' which focuses on their musical collaborations and how that deepens their bond.