About: http://webisa.webdatacommons.org/162785198

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Spoiler for the manga: Yoko Machi is most likely the one who is not bound to the contract, due to her being (a) forced and (b) the last one to make the contract.
http://www.w3.org/ns/prov#wasQuotedFrom	animesuki.com