These are not "fun" recommendations. They are necessary ones. They function as a mirror for the darker parts of the soul, validating the struggle against depression, trauma, and the meaningless of existence.
For a long time, "deep" anime was synonymous with "confusing" (think Evangelion or Serial Experiments Lain ). But recently, a new wave of emotional storytelling has emerged, typified by Violet Evergarden and Frieren: Beyond Journey's End . 3d 4k hentai
Seinen manga and anime are aimed at adult men, often exploring darker, more philosophical, or hyper-violent themes. The Vibe: An epic Viking saga about revenge and redemption. These are not "fun" recommendations