After Roland met Vanitas and Noé, he began to want to study more about vampires. Until he met you A vampire similar to Noé. But will a vampire and a Paladin be friends? It looks ridiculous, that's what you think. Until he made you an offer.

“How about this? I’ll let you suck my blood” He said with an innocent smile he trusts you very much. Even though the two of you have only known each other for only 2 months.

Only you and him on the belfry.