Tree of Aeons - Treetalks

After a seven-day slumber, Chen Yun discovers that his body is undergoing inexplicable metamorphoses that cannot be explained by science.Evolving flesh, unimaginable abilities, mystical secrets...All his previous pursuits now seem trivial, including money and career.The existence of a mythical realm in fantasy also doesn't seem too far off.

After nine years of traveling with her parents, Long Shiyan’s family encountered a group of bandits. Although her parents died, Long Shiyan was able to escape from them with the help of a system. From it, she learned that she was stuck inside the world of a harem novel! In order to revive her parents, Long Shiyan must prevent the protagonist of the original novel, Long Aotian, from capturing wives and attaining a harem. Otherwise, the world would end!

But, after saving a future harem member from Long Aotian’s clutches, why did this girl obtain a more terrifying characteristic than blackening into a villainess…

- Description from Novelupdates

Seventeen-year-old Hajime Nagumo is your average, everyday otaku. However, his simple life of pulling all-nighters and sleeping in school is suddenly turned upside down when he, along with the rest of his class, is summoned to a fantasy world!

Luck is limited and when villains and heroes hoard it, extras lose it.An ambitious villain defeated and killed far too soon, and a heroic group that couldn't prevent humanity's extinction, find themselves back in the past.Their battles and stolen opportunities cause consequences unknown to them, impacting the lives of all those around them, especially extras, moreso one named Neville. Unbeknownst to him, his fate is greatly influenced by the 'main characters'.He'd seen it all, gangsters, politicians and their mistresses, arrogant celebrities, even bratty heirs. But nothing prepared him for the night his client was involved in an 'accident'.Right after he was summoned by his boss who fired him and accused him of being involved but since they couldn't prove it only his license was revoked.After getting out of the building, his boss tells him that the client's family demanded to meet thehim, hoping for some answers and closure.But before going there he needed to pick up the client's eldest daughter...After that encounter his world went through changes his family pushed him to the edge and the supernatural became natural and he had to adapt to his strange new abilities!