She's an ordinary girl with nothing going for her except her beauty.
He's fair-skinned, sunny, and wholesome, with a handsome face everyone loves. He often says, "Girls are so cute, of course we should take good care of them."
If girls are so cute, what's wrong with me kissing you?
If I don't take advantage of this, someone else will.
Watch me turn an air conditioner who treats everyone the same into one who's mine alone.
Basically, the heroine falls for the hero first, then he pursues her in return. It definitely has a happy ending.
Hero: 27 years old, 185 cm tall, sunny and wholesome, fresh-faced and handsome, witty and fun, optimistic and cheerful, a modern-day Good Samaritan who loves sports and working out.
Heroine: 25 years old, 168 cm tall, beautiful and poised, sometimes cute, sometimes bold, sometimes sexy, never fussy or affected.
They are each other's first love and pursue each other wholeheartedly. Neither has been in love before, so they're a little awkward at dating.
Theme: Love only means something when both people pursue each other.