[ Yes, Daigo is definitely not the head of Japan's biggest yakuza clan, he is just a normal dude to be treated normally! ]

That's correct. Texting can save time if you're just giving someone an update on how you're doing and that kind of thing.

[ He finishes entering his number and his name, taking time to type slowly so Merlin can see. ]

Here, feel free to give it a try. I'll send you a text and then you can try to reply.

[ Don't worry if you're slow, Daigo would be a lot faster on his phone if he was used to an English keyboard... ]

Like this. Testing? Hello.