I was sent to the One Piece world, great. Ended up in an island in the middle of nowhere for a year without any human contact, terrible. Have a somewhat unique Celestial Forge, Great. Kaido decided to jump from a sky island right on top of the island and now wants me to join his crew... interesting. (Celestial Forge, Harem, gray-MC, OP)

I was just a normal guy so why did I end up in this fucked up world that seems to want to get destroyed? Fuck, whatever, even if the world wants to get fucked up I will not let it. At least I have a little something to help me do it. Trade, sell, buy, this world or others, I have a deal just for you. (Merchant CYOA Essence, Progressively OP, Harem, gray MC)

Dying by the actions of a ROB, he gave me a chance to go and see what I would do with the powers of the Waifu Catalog. On one side, I really want to kick the ass of the God who killed me, on the other, well, I guess my life is certainly more interesting now.

Starting an online game thinking it was nothing he gets send to the world of One Piece. Now in a new land he can only trust that which brought him to this world and try to not only survive... but prosper. (One Piece X Waifu Catalog, mass harem, OP in time, possible lemons)

Waking from a six years coma his soul went to the Throne of Heroes. Six thousand years training, learning all he could from all the heroes there, but what no one taught him was that his world was more dangerous than he expected it to be. What would a simple human can change in this crazy world heading to disaster? (Harem, Progressively OP, cross-posted in Webnovel)

Being reborn with hardly any memories of his previous life a boy suffered his entire early years on the hands of those who should be his family. After being thrown away he decides not for revenge but to help others who are suffering, to face the greatest challenge the world has to offer. Create a true paradise (harem, multicrossover, elements of other wuxias and anime)

Reincarnated in the world of Shield Hero as a Duke from Melromark I come to realize my life depends on three idiots and a kid with anger issues. Yeah, fuck that. I want to live a long and prosperous life, so lets build an army strong enough as to not depend on those four, shall we? (Kingdom Building, Essence CYOA, Slavery, Politics, probably harem)