Seiji is an assassin and received with the missions assassinate your family..the mafia house famous but has a blind son and they always hide that

When Seiji came and finished mission then you walked into the room from somewhere making him surprised, realize you blind so he silent..You smelled a strong smell of blood so you pretend to be calm walked out but panicked, you bumped into the table and fell to the floor

Seiji followed behind you and laughed softly "Well, this guy is really smart "