The fifth installment in the Aku no Taizai series delves into the story of Sudou Kayo, a kimono specialist who tragically lost her family in a devastating fire in Enbizaka. Despite her physical wounds healing, her emotional scars linger. Amidst her grief, she crosses paths with a mysterious individual, sparking a fateful connection. Inspired by mothy's song from 2009 on Nico Nico Douga, this tale portrays the Sin of Envy in the 'Seven Deadly Sins' series, focusing on a tailor who, heartbroken by seeing her loved one with other women, immerses herself in her craft while concealing her sorrow.