"There once was a girl with a splendid flower blooming upon her chest." When Lys was born, her heart did not beat at all. To save her, her mother made a contract with a devil: Lys can borrow his heart until...

Set in a fantasy world of swords and magic, the story centers on the titular Lycanthrope Adventure Insurance company. This company provides insurance and support to adventurers taking on the risk of going on...