Board Thread:Naruto Gaiden/@comment-25380140-20150514070725/@comment-3965545-20150515024719

Shisui loved the Uchiha clan equally in comparison to the village.. but he loved Itachi more than both, not only as his best friend ever, but as his little brother figure.. So basically he is as pissed and hurt as Sasuke was when Sasuke found out the truth.