Heat oil in a large pot over medium heat. Add onions and cook until soft, about 5 minutes.
Add bok choy, ginger, and garlic. Sauté for another 2 minutes.
Stir in miso paste and chili garlic sauce. Cook 1 minute until fragrant.
Pour in vegetable broth, soy sauce, rice vinegar, and sesame oil. Bring to a simmer.
Add ramen noodles and cook for 4-5 minutes, until tender.
Stir in frozen corn and simmer for another 2 minutes.
Ladle ramen into bowls and top with soft-boiled eggs, green onions, and sesame seeds.