Shin Seinen is a genre of manga and anime that targets young adult males, typically aged 18 to 30. It often features more mature themes and complex narratives compared to Shonen, which is aimed at younger boys. The stories can explore a wide range of topics, including romance, psychological issues, and social commentary, making them appealing to an older audience. The art style in Shin Seinen can vary significantly, often showcasing more realistic and detailed illustrations. Popular titles in this genre include Berserk, Tokyo Ghoul, and Death Note, which have gained critical acclaim for their storytelling and character development.