[That's good. He might get in trouble for talking that way to the younger students. But he thinks he should be okay, in this case.]

Hey, you're welcome to your dick. I've got my slot to fill. And that's public safety!

[Adachi is not about to say he likes dick, not even in a metaphor.]

If you don't want to join up, no problem. More fun for the rest of us!

[If nobody joins, then he won't have to keep up the club! This plan can't fail.]