Jii was a goblin who managed to live until he attained the age of 20, a great elderly among goblins.

This pervert whose lust for younger girls, regardless of their race, and can't be satisfied even at his ripe old age.
That aside, he had shown to be very caring of his kin and a wise counselor.

After meeting an untimely death, Tomokui Kanata is reincarnated as a lowly goblin, but he’s worked up a monstrous appetite. Thanks to his new ability that allows him to grow stronger the more he feeds, his feeble status quickly changes, and he rises to become the goblin leader. With a mix of his past memories, new body, and strong stomach, he’s taking a bite out of this new fantastical world! 
(Source: Crunchyroll) 
The episodes were streamed several days ahead than the TV broadcast on U-NEXT, Anime Houdai, and Crunchyroll beginning on April 2nd, 2024 at 0:00 JST. The regular TV broadcast begins on April 5th, 2024.

After a tragic death, he wakes up to find himself reincarnated as a feeble and weak goblin named, Gobrou. However, due to his extremely unique ability "absorption", he is able to get stronger the more he feeds. He finds himself evolving at an astonishing rate and in no time becomes the leader of his community! In another world where only the strong survive, along with competent fellow goblins and friends, Gobrou becomes one of the most powerful goblins in this fun and exciting fantasy!! 
 
(Source: Alpha Manga, translated)