 If you liked
Futoku no Guild
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 ...then you might like
Renai Flops
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These animes have different stories, Renai flops (love flops) is a sci-fi and Futoku no guild (immoral Guild) is a fantasy.
But both of these animes have a singular similarity which escalates in episode which is MC looking out for the girls like a big brother, a protector. The girls as well as the love interests in these animes are all a little careless and clumsy. Being young and energetic they often get excited and mentally down then the responsibility falls on the MC's shoulder to cheer them up. He helps them with various things thus the girls develop feelings for the MC.