years have passed since mitsuki and takuto were reuinted and now they even have grandxhildren, 3 actually. Each of these three have had a special power since they were born. They have the power to a) see shinigami b) take lives (like a shinigami) c) can control a element, determined on thier bith mark. Each ohas one on thier lefdt ankle.
One day the oldest kid was sleeping when she felt a faint light on her cheek she woke up to see a buzzing figure, in the figure she saw a mini fairy, or was it a angel? the next thing she knows she's teleported to the underworld.....