"I don't know when Fumika-chan will return, but I've made sure the police are stationed outside her home for questioning. It's a loving arrest, made with love. They won't hurt her. It's a loving arrest, made with love."
Womens, she stalked him, made him feel "cheated", invaded his privacy and home and literally played games with his sanity.
"is your fault"
Sure he didn't save her back then but 1) he is a coward 2) they had a pact