Kizetsu Yuusha to Ansatsu Hime  

The Stunned Hero and the Assassin Princesses, 気絶勇者と暗殺姫, The Shy Hero and the Assassin Princesses

Toto is a skilled hero who is extremely shy, which prevents him from forming a party and keeps him in the same town where he started his journey. One day, he receives an invitation from three beautiful women named Ciel, Anemone, and Gore to join them on an adventure. Although he is thrilled at the opportunity, he soon realizes that these women are determined to kill him. As a result, a deadly harem romcom unfolds as Toto struggles with his social anxiety around women while trying to evade these dangerous companions who want him dead.