One great 'depressed Bakugou fanfiction' is 'Fragments of a Broken Hero' on Archive of Our Own. It really delves into Bakugou's internal struggles and how his depression affects his relationships with his classmates and his own self - image.
A lesser - known but really good one is 'Bakugou's Silent Battle'. The author does an amazing job of portraying Bakugou's depression. They show how small things in his daily life can trigger his negative thoughts and how he slowly starts to open up about it, which is quite touching.
The theme of slow recovery is also prevalent. It's not an overnight process. Fanfictions usually show Bakugou gradually accepting help, whether it's from a therapist - like figure or his friends, and slowly working through his depression, which makes for a very heartwarming and inspiring read.
I'm not sure of specific 'bakugou kidnapped' fanfictions off - hand. But you can try searching on fanfiction websites like Archive of Our Own (AO3). Just type in 'bakugou kidnapped' in the search bar, and you should get a list of relevant fanfictions.
Another great one could be 'The World Through Little Bakugou's Eyes'. This story gives a unique perspective as it is written as if from Bakugou's point of view. It shows his thoughts and feelings about his training, his friends, and his dreams in a very in - depth way.
There's also a fanfiction called 'The Waist that Defines Bakugou'. In this one, the author uses his waist as a symbol of his determination and inner power. It has some great character development scenes.
One popular Bakugou and Uraraka fanfiction is 'The Unlikely Bond'. It explores their relationship in a different way than the original series, showing how they might interact more closely during training sessions.
There is a fanfiction called 'Lost in the Abyss'. In this story, Izuku is dealing with depression due to his failures and the expectations placed on him. It's a very emotional read as it shows his journey from a state of hopelessness to slowly finding a glimmer of hope. Another one is 'Tears in the Rain' where his depression is exacerbated by the isolation he feels, and it's really engaging to see how he tries to break free from it.
One popular 'merlin depressed fanfiction' could be 'The Weight of the Crown' which delves deep into Merlin's internal struggles and depressive state as he faces the challenges of his magic and his role in Camelot. It shows his isolation and how he copes with it.
Well, there's 'Shadows in Her Mind' as a 'depressed girl fanfiction'. It tells the story of a girl who is lost in her depression but slowly starts to see the light with the help of a kind-hearted stranger. Also, 'Silent Cries of a Depressed Girl' is quite known. It really focuses on the emotional pain she endures and her attempts to break free from it.
Well, 'The Depths of Marinette's Despair' is a fanfiction that portrays Marinette's depression in a very raw and emotional way. It explores how she copes with her inner demons while still trying to maintain her facade in front of others. It's quite a poignant piece of work.
One good 'depressed Naruto fanfiction' is 'Naruto's Inner Struggles'. It delves deep into Naruto's insecurities and bouts of depression. Another could be 'Depths of Naruto's Despair' which shows how he copes with the weight of his past and the loneliness he often feels. There's also 'Naruto's Silent Sorrow' which is quite poignant in portraying his emotional turmoil.