The supporting character's harem is very normal - Chapter 514: Lathel and Rakka

Crying blood and tears, she pledged a poisonous vow. The gods did not fail her. She was sent back to a decade ago. The legitimate daughter of Jiang family returned from hell.

History speaks of a famous Genius... a genius who at the start, no adult whished for their child to emanate.GORT FAIRBANG.That's the name.He was the son of the current village chief, the son who won awards and even headed out to prestigious schools in a grand manner.But one day, a few screws came loose in his head, and he decided to return to the poverty stricken village, throwing away his good cards for the live of nothingness!Crazy! Crazy!He must be insane, many concluded.But what they didn't know, was that this one-in-a-million-year genius, had returned with one sole mission in mind.And that was to SAVE HUMANITY!

In a world teeming with Titans, Colossals, Gigantic Monsters and Kaiju's, Erian who reincarnated makes his living collecting scraps of low-grade Defective Genetic Serum, realised he transmigrated along with his system.

Follow Erian as he grows to become the strongest Disaster Grade Titan with the help of his Titan System!

This is a story of a little man who walks forward silently, in awe, and strives to chase his dream.

- Description from novelbuddy