Mushoku Tensei: Isekai Ittara Honki Dasu, Tilea no Nayamigoto: Isekai Jashin Tensei Kitan Recommendations
Both series feature the main character (a NEET) reincarnating into a fantasy world, where he decided to become a hardworking person. Also, both stories have a slice-of-life approach.
Now the differences:
Tilea's is a gender bender comedy (the MC reincarnated as a girl) where the jokes are based on her denial to accept she is not as normal as she thinks. About the narrative, It doesn't go to deep into the world and focus on the relationship between characters.
On the other side Mushoku has a more serious approach with the hero being pretty conscious of his own ability, which he keeps training through the story. Also, the