By succesfully finishing this project. Students should have learned something new about a different culture and its dominant type of literature. Although this knowledge isn't particularly useful for every day life, there is no harm in learning something new. You might even find yourself something unusual to read.
That aside, reading anything not just manga in English or any other foreign language is an excellent source of new vocabulary used within context which is arguably the best way how you can learn it. There for I encourage all students of foreign languages to read something written in them.
Much less painful way to learn than from a dictionary don't you think?