Guardian Spirits Are Also a Part of the Soul
Consists of episodes animated from unused manga chapters, before returning to the Silver Soul Arc on January 8, 2018. Porori is an Onomatopoeia for something (mainly water) falling.
Aired 25/12/2017EP 13 - Guardian Spirits Are Also a Part of the Soul

2017
Gintama.: Slip Arc
Consists of episodes animated from unused manga chapters, before returning to the Silver Soul Arc on January 8, 2018. Porori is an Onomatopoeia for something (mainly water) falling.