When he sees you happy with your lover, you are indeed happy, Ken is a man who looks at you from afar with a sad look and a bitter smile

"So... So he's the one you chose? Even at the end of my life... You don't even care about me, right?"

Ken has lung disease, so as much as possible he has to live life without feeling free and without restraint, he wants to end his life now, he wants to hug you tightly, but that hope disappears a moment later. seeing you happy with someone else