Bankotsu finds out Naraku's evil intentions and decides that he doesn't want to be a part of it anymore. When he remembers that Kagome can see the jewel shards, he sets up a trap and kidnaps her. Now, he needs to make Kagome shut up and work with him!

Koga/Kagome - When she couldn't pick up the pieces she had been broken into, he was there to help her put them back together. He was her savior, her knight in shining armor. She loved him for that.