Responses
These sets of men from Thailand & Columbia seem to believe in such a love.
https://www.charismanews.com/opinion/in-the-line-of-fire/48454-if-love-is-love-why-not-three-men-marrying
http://metro.co.uk/2017/06/14/three-men-marry-in-first-legally-recognised-polyamorous-wedding-6708801/
Thailand & Columbia have both had polyandrous gay weddings between 3 men.
I do believe people can love more than one person the same time. True love would never disappear but can only be overlapped by a bigger love and someone you treasure more. But I think you can never equally love 2 different people but that is also why I hope Myung doesn't 'revive' because whoever Jun would decide to take. One heart would definitively be broken in the end....