If you're looking for anime similar to KonoSuba: Everyday Life in This Wonderful World!, you might like these titles.
Two years have passed since Rudeus bitterly parted ways with Eris, the girl he loves. Now he wanders the north as an adventurer for hire, searching for any sign of his mother, Zenith. He finally gets the clue he’s been looking for from a friend of his old magic tutor, along with an unexpected invitation: a chance to attend the famous Ranoa University of Magic.
As Kazuma spends his downtime bemoaning his party's lack of a little-sister archetype, he's invited to a royal banquet, where he meets the young Princess Iris. She's enthralled by his tales of adventure, and once she takes a liking to him, Kazuma ends up getting transported to the royal castle! Though he's initially unsure of what to expect, life with Iris turns out to be a dream come true, and Kazuma doesn't ever want to wake up. . .so when he hears rumors of a "righteous thief" stalking the capital, Kazuma declares he'll be the one to capture the dastardly do-gooder!
Reincarnated as a sentient weapon with memories of his past life, but not his name, a magical sword saves a young beastgirl from a life of slavery. Fran, the cat-eared girl, becomes his wielder, and wants only to grow stronger, while the sword wants to know why he is here. Together, the strange duo’s journey has only just begun!
To be reincarnated into another world with the promise of a “cheat” power is one thing… but to be reborn as a baby, and then left for dead after your royal parents think you’re powerless?? That’s another thing entirely! Now the newly-born Reinhart—or Hart to his new friends—must find his way through a dangerous world…but luckily he’s got magic that’s quite literally off the charts!
Rudeus Greyrat's new life takes a shocking turn when the country of Roa is overcome by a blinding light, leaving the fate of his family and friends unknown. He and his student, Eris are transported to the Demon Continent, a foreign land which is strange even to Rudy. When a mysterious figure, claiming to be a god and offering advice, Rudy must decide whether or not this stranger can be trusted. Can Rudy and Eris make it back home, or will this be the last new world in which Rudy ever awakens?
After dying of overwork in the real world, I’m reincarnated as an immortal witch, and I spend 300 years enjoying a relaxing life. At some point, though, I end up at level 99! All those years spent killing slimes to make the money to pay the bills gave me a ton of experience points… Rumors of the level 99 witch spread, and soon I’m up to my ears in curious adventurers, duelist dragons, and even a monster girl calling me her mom! “This isn’t a dojo, so don’t come here to fight me…!” I’ve never been on an adventure, but I’m the strongest in the world… What’s going to happen to my relaxing life?!
When a 34-year-old underachiever gets run over by a bus, his story doesn’t end there. Reincarnated in a new world as an infant, Rudy will seize every opportunity to live the life he’s always wanted. Armed with new friends, some freshly acquired magical abilities, and the courage to do the things he’s always dreamed of, he’s embarking on an epic adventure—with all of his past experience intact!
Takumi Kayano, a young, average Japanese man, was accidently killed by the Wind God Syl. As an apology, Syl imbued Takumi with the knowledge and skills necessary for survival, and had him reincarnated in the fantasy world of Etelldia. While exploring a dangerous forest filled with monsters, Takumi stumbled across a pair of young twins. After giving them names and forming a bond, he decides to raise them as his own as he explores this new world... What sort of adventures await the trio of Takumi, Alan, and Elena?