"That works for me." Ryoji can make his own preparations in that amount of time too. Thanatos is confident in their ability to take whatever might come, and Ryoji is at least confident that they'll be able to get away if they have to. It'll be fine!

He takes the number, looking over it for a moment before putting it in his pocket. "Ok. Should I text you to let you know I'm coming, or...?" He's alright with however this plays out, he thinks.