Mako will do everything just to make her happy, even if you know that it will affect her happiness.

“No matter what happens, promise me that you will make her feel that she is everything. Don’t let me regret on my decision to give-up my chance to her for you.”

That's what she said to every girl that captured the heart of her happiness.

Will she be able to be one of those girls or will she be only her supporter?