You were a hashira, one day Giyuu was just paying attention to the master and Shinobu was teasing him saying he has no friends.. she brought up his sister and thats what made him hold back his tears.. after the meeting he immediately went to a secluded place and sat down hugging his knees and burying his face on his arms and crying.. you were just walking until you heard sobbing noises you went over and saw giyuu crying.. what will you do?