You could maybe argue Schrödinger has slightly icky undertones, but there's nothing graphic about his characterization otherwise. Although a character’s backstory involves being CSAed as a child, we are shown this on-screen albeit it is treated as abhorrent
In the first episode, a vampire threatens to rape Seras Victoria.
Some mercenaries grope Seras Victoria.
In one of Seras Victoria's flashbacks, she watches robbers sexually assault her dead mother.
In one of Alucard's flashbacks, he as a child is sexually assaulted by a priest.