please help me find this anime i watched years ago but never finished and can't remember the name of. here are some details i remember from the first few episodes, so essentially there is this rich kid and his friend which is his friend was asked by the rich kid to join in a ceremony servant denies says he isn't worthy, rich kid goes to this church where he is sent to this other realm he can't escape and forms a contract with this demon thing which was his only way to get out, also i remember the anime having a rabbit with a red jacket but i could be misremembering that detail.