If you're looking for anime similar to Tatsuya Kitani: Devil's Manner, you might like these titles.
The official music video for the Vocaloid song There Must Be No Meaning in My Life from the album I DO (NOT) LOVE YOU, by the producer Tatsuya Kitani.
The official music video for the Vocaloid song Akaito, by the producer Mikito-P.
The official music video for the Vocaloid song Tabisuru 3 Daiyoku, by the producer picdo.