Description:

A Japanese student named Shirokuro Sansui died because of God’s mistake and was teleported to a different world. He claimed that he wishes to become ‘the Strongest’, so he received a referral letter for a Sage from God and received 500 years of training. When he reached a stage where he could be called as ‘the Strongest’ in the common people’s standard, he picked up a baby near his training grounds, and there, he finally starts his isekai adventure. His training is simple, his techniques are simple, he’s ‘the Strongest’ but he looks simple. With an ordinary wooden sword in hand, the fight of the simple-looking Sword Saint has just begun. (Source: MU)

Description:

When she turns ten years old, Adele von Ascham is hit with a horrible headache–and memories of her previous life as an eighteen-year-old Japanese girl named Kurihara Misato. That life changed abruptly, however, when Misato died trying to aid a little girl and met god. During that meeting, she made an odd request and asked for average abilities in her next life. But few things–especially wishes–ever go quite as planned. (Source: Seven Seas Entertainment)

Description:

Our protagonist was reincarnated in a world with goblin and dragon....but his optimal job is "villager." Using the cheat "getting one chance to redo life after death" he will show you what a villager can do. (Source: Mangatown)

Description:

It details the life of a mid-rank soldier who died at the very end of the war against the Demon Race. Fortunately for him, he wakes up to find that he's a baby again, in the embrace of his real mother, years in the past. Determined to avoid the chain of tragedies that took his beloved ones away from him, he takes advantage of the advancements in swordsmanship and magic that developed during the war (as we all know, wars are when many scientific breakthroughs tend to happen), and tries his best to prepare for the demon invasion as well as strengthen himself with maximum efficiency. (Source: Hot Chocolate Scans)

Description:

Due to a god's mistake, high schooler Tsuguna died before his time. In exchange, the god agreed to do him a favor in his next life. Tsuguna is reborn to a noble household in a world with magic. He has an unusual form of magic that he requested from the god, the ability to create summoned creatures. However, his dark Japanese hair and eyes mark him as a cursed child in this new world, and his powers are slow to appear. He's kept in a dark basement where he reads his family's books, until one day he finally uncovers the key to his powers. Finally, he can set off into the world with his summoned companion to level up his skills!(Source: MangaHelpers)