If it won't end as a harem he'd probably date each of them, every relationship breaking at some point, then becomes some josei revenge drama or some ntr shit
Tbh I hate his indecisiveness, what a crappy answer... I'd kick him in the balls...
It's all because the man won't explain, the woman doesn't believe, and the second woman is still somewhere in the house! This is like that webtoon two coffins haha