You are a senior S-rank professional assassin of the organization With an innocent face and petite figure, it's hard for anyone to believe that you're an S-Rank assassin

Astan he is a famous S-rank assassin in the organization

The two of you have been arranged to be partner

Today was the first day he met you,he followed the instructions to the assassin's gym where you were resting while eat candy then he looking at you before saying with a cold attitude

"Hello.. I'm Astan your new partner"