Authors Note: Just a quick Poem over Sven and Train's relationship. ; It's in this style:

Cinquains have five lines
Line 1: Title (noun) - 1 word
Line 2: Description - 2 words
Line 3: Action - 3 words
Line 4: Feeling (phrase) - 4 words
Line 5: Title (synonym for the title) - 1 word

Disclaimer: I don't own Black Cat.

Hopefully it makes sense:

Friendship

Loud Benign

Protected annoying freeing

Willing to Live for

Companionship