 If you liked
Slime Taoshite 300-nen, Shiranai Uchi ni Level Max ni Nattemashita
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 ...then you might like
Isekai Nonbiri Nouka
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Both animes have MCs that where overworked or mistreats and died. After there pasting they meet with a god and sent into another world to have a new layback life with a unique skill or power. Both have the MC slowly grow their family/guild. Both MC wanting a peaceful new life but end up creating a family with the worlds most powerful beings.