This manga gives me a sense of new nostalgia, never read it in my life and yet at the same time it felt like an old friend, it was all over the place but ultimately beautiful
I like it when edgy MC stay edgy till the end, instead of becoming tsundere or whatever dere they got there, like Arifureta, or dude with a shield for example.
You mean ダンジョンシーカー? Which is literally just the name in Japanese.
Or are you thinking that "Sakamoto 666, Mizu Seijuurou" is the alt title when it's the Author/Artist.