"I like you."
"Oh."
"..."
"..."
"Shouldn't you say that I like you too!!!"
"I don't feel it."
The protagonist is a very indifferent person emotionally. He can play well with everyone, but he never gives his own heart, nor does he want others' hearts.
If you fall in love with him, I can only regret to tell you that you are so pathetic!
The only dogma he believes in is: go your own way, and let others die if they want.
This article is a comprehensive comic, so I don't know if it will describe emotional scenes, but I'm sure it won't be BG.