1: who are you?

ehto... so yea. its above said.

so a shinigami enters squad 10. She is investigating a matter. Unknown toshiro gets embroiled in it... and falls in love. While investigating the matter, she meets someone she used to have feelings for... Will she float further away from toshiro... or will she stay strong with toshiro?

The girl known as...

the shinigami who doesn't fail
and
the
Ice princess because of her coldness to others and her powers.

This story is half spy and half romance, may have action

want to read romance read from chp 6