supposedly ryuji says tachibana is good with kids So I kinda wanna see them meet the demonking and tachibana wanting to protect/ adopt it (whether they know the kids a demon king or not) but either way that would be funny ヾ(☆▽☆)
It'd be funny if they just adopted the demon king
He had the you know I had to it to them pose at the end of ch64(≧∀≦)