The Darkness Which Moves! Kibune's True Colors Bleach : Season 9 Episode 16

After Shu Kannogi tearfully tells Shusuke Amagai how he feels, Shusuke loses his feelings of ill will towards Ichigo and instead decides to help in their search for Rurichiyo. Ichigo worries that this would be considered an act of betrayal to the Thirteen Court Guard Squads on Shusuke's part.