Wash the shrimp thoroughly and remove excess water.
Boil the chicken breast, let it cool, and cut it into bite-sized pieces.
Boil the eggs, let them cool, then cut them into quarters.
Slice the cucumber and avocado into bite-sized pieces.
Place rice in a bowl and add the prepared shrimp, chicken breast, eggs, cucumber, and avocado on top.
Season with olive oil, lemon juice, salt, and pepper.