The Lucky Star Blessing the Whole Village - Chapter 323 - :

Billions have perished, leaving only a few million survivors.After his death, Eric is summoned to another world that has been nearly destroyed by corruption.The gods’ influence has all but vanished, and it is up to him to rally the remaining survivors, reclaim the land they lost, and restore the gods’ cathedrals.In doing so, he grows stronger, inching closer to awakening the gods from their eternal slumber.Time is running out.Not only are unimaginable abominations preparing to strike, but Eric faces a deadly challenge from within.His system, a mysterious force aiding him, comes with a dire warning:[WARNING][Each time the system responds, it consumes host essence. When essence runs out, the host’s soul will perish along with the system.][Recommendation: Communicate only when absolutely necessary.][Current essence: 940][1 essence = 1 word generated by the system.][Choose your next words wisely.]

What does it feel like when you have a best-selling detective fiction author for a boyfriend?

Whenever you offend him, he would look at you disdainfully, “A character molded after you could only ever appear in my novel as a deceased victim.”

Whenever you seriously offend him, he would threaten you, “The very next victim who dies in my novel would be named after you.”

Whenever you seriously, seriously offend him, he would add on to the previous threats, “Furthermore, the victim would have died at the hands of an extremely perverse and twisted serial killer, and would have suffered an extremely painful and terrible death.”

But, by a stroke of coincidence, if you happen to be this best-selling author’s editor, he need not resort to the above mentioned tactics. In fact, all he has to do is one, single thing –
-Delay the submission of his draft.

- Description from Novelupdates

Nagasawa crossed to Naruto Universe and was bound to Konohagakure.If Konoha is severely damaged and destroyed, Nagasawa’s lifespan will be reduced.He panicked at the thought of the upcoming Nine-Tailed Demon Fox's attack , and the thought of Konoha getting destroyed left him in despair.Fortunately, while bound to Konoha, he can obtain templates of powerful characters.At the beginning, He got the Whitebeard template! Since it's the Whitebeard from the Summit War of Marineford, he can use Tremor-Tremor Fruit's ability and Haki.Facing the Tailed Beast Ball, which terrorized Konoha Shinobi, Nagasawa leaped and shattered the Tailed Beast Ball with one punch!

An ordinary (?) grandfather, Choi Chuntaek. In an effort to protect his granddaughter, he started the virtual reality game 'Arkstar.'

Then... he accidentally obtained a legendary class?