Raiden V: Director's Cut (EP)

This is not so hard as it sounds as Stage 1 is quite short and the boss has easy patterns but before you start, go to the Options menu and set your bombs to 7 (max). Now start stage 1 on Very hard. Stick with the Catch Plasma weapon all the time. Instead of dodging all over the place. Move from left to right and back slowly. Just focus on dodging, the weapon will automatically catch the ships to shoot down. You will get an extra bomb while playing so you will have a total of 8 bombs. Whenever you feel you are in trouble, use one.

As every stage contains 3 scenes. You can just restart one if you happen to fail. And you will start at full life again. It will still count for the trophy.

See below for a video: