An S-class Adventurer, Banished as the Tank of the Party, Uses His “S*ave Release” Skill To Build the Strongest Country in History! Chapter v5171 Discussion

First few chapter you can read typical MC who got betray by his member and suddenly got power that can summon and free slev then suddenly everything change when his slev discover his strong duck, now the story is all about his duck, member of MC really like MC duck and demanded MC to play with them all day long.

You can't expect serious story in this novel, this is just slice of life comedy ero novel