In the 3rd world, he date 1 girl but the atmosphere feel like he just want to try to date someone, no emotional attract.

Like the step sister in the 1st world, when he comeback from 2nd world, she's already dead of old age and also have her own descendents.

The girl in the 4th world. Thinking about her, he suppress his lust for other women when they part way. In the end she just marry and having a kid with someone else.

The ending is super rushed and bad. It feels like author wanted to jump to new novel and just ended it right there. Half finished. Many questions are left unanswered like his special attribute talent. There is that one girl whose name I forgot who MC said would visit later but just forgets. This is what betrayal feels like.... hopefully he does't treat way of the devil similarly

there was a girl author portrayed as a poor and kind girl taking care of her family; a good friend to MC and friends and some chapters later whoosh.. She becomes a loose character girls who then badmouth about MC.

He went to a school trip with his friend on one condition that he would let him see his antique gem collection but after the trip there is just no mention of the collection again, I nearly threw my laptop out of the window

he's supposed to be an adult in his past life but still blushes when seeing a teenagers' underwear, he's a bit self-centred in that he is ignorant towards anything other than himself

The MC died by touching an electric outlet while in a shower. How s*upid do you have to be to be feeling along a wall outside of a shower where nothing other than an outlet could be. Not to mention how long you'd have to touch it so the water could go deep enough to create a connection. Unless you're chucking handfuls of water at the outlet the little residue left on your hands shouldn't be enough to make a connection and kill you.

He also plays up the whole Garen knew how to do x, y and z when he was still alive however when asked about simple stuff like do you want to go to our old place by his friends he has no idea of where on Earth that is.

Their family is said to be financially insecure to the point where they can't even buy new clothes and all expenses are cut to the bare minimum, despite their parents working overtime. This is compounded by Garen starving himself because he cannot afford some milk. Yet he can pay off a tip to a dude in a store to ask where a certain place is instead of simply asking someone else and save the money.

The world is supposed to be in the era of guns, cars and planes and yet they haven't ditched swordsmanship or archery in regular schools yet. I cannot understand in what sort of combat situation archery would be more useful than firearms. As an elective yes, but anything else, no.

The story refers to both siblings as being born from the same father and mother, yet later in the very same chapter they're said to be step-siblings. I'm assuming it is this way because the author made up his mind halfway through the chapter that having potential pe*verted relations to you step-sibling is better than just having a normal relationship. Keep in mind that every time Ying Er (his maybe-step-sibling) is mentioned, there is also a description of her clothes and thighs. By chapter 9 he literally blushes over a glimpse of her white panties while he's supposed to be a fully functioning adult mentally. Of course this is is followed by a trip-and-fall that ends with them in an awkward position.

instead of attributes gained automatically through the practise of one particular skill, it can be manually added by the MC. This means he can max out something while not using it at all.

He puts it in strength, for no real reason. Later, the author gives excuses like "martial arts are his dream" and "he fell into depression after reincarnating and martial arts made him feel safer", but it's all a bunch of bulls**t since there wasn't any real danger in his life before he got involved with martial arts, there was never a looming threat, and he could increase his other stats steadily like a normal person would and practice martial arts with his new young body like a normal person.

This book is a typical reincarnation story whit a cheat. But the biggest diference is that the more you read the story, the more background information you receive, that all fits together like puzzles. Though there are quite a few disappointing things like how the auther didn't write anything about what happens when he Garen goes away from a world. It is also so that the ending is quite a letdown. There are just too many questions left unanswered that makes this ending so unsatisfying.

first world:

He is reborn as a teenage student in the Victorian era of a parallel world, which is aptly named "secret techniques world". This is the time that he takes on the name of Garen and tries to understand his gift.

The story goes as follows. When he understands that the easiest way to get stronger is through potential points that he can from some antiques, try's he to make many and connections to find all of them. Whit this comes he to know of the martial arts world and becomes quickly fames in that circle. Through his new connections comes to find out the supernatural side of the martial arts world and the by then vague understanding of the ancient ender civilisation. After becoming as strong as possible in that world (king of the century) went he fighting whit a telekinetic user to become the strongest in that world. But he died from a neclear missile on himself when he was standing on top of an active volcano that is actually an artifact from the ancient civilisation. The end.

Second world:

The world that he gets reborn into is called the the totem world. In this he world he saw what would happen in the future and tries to do anything to survive his destiny. To do that he tries he to become a totem master whit his abysmal talent and tries to show that his secret techniques, that he acquired in his previous live, can still make him the strongest in this life. But he quickly comes to know that by killing beasts that he can earn potential points. Afterwards, it is just a process of him quickly growing up, getting stronger and doing various research whit his upgraded intellect. Then comes the turning point where wars are waged whit a mysterious organization who whishes to dominate the world. After years of fighting and becoming more influential did he come to the point of finally getting his first soul seed, getting a living secret technique and perfecting his nine-headed hydra totem. Then like always is there a final fight and he becomes seriously injured in that fight which made him go into secluded cultivation for 50 years. Because of the fight 50 years ago, made the world's consciousness it so that no supernatural entity may stay in his world. So he transmigrates back to the secret technique world. When he came back did he try to understand what had happened when he was away. This is also the time where he fully tried to research about the ancient ender civilisation. Whit this did he find the mother stream, a stream that connects all life in every universe. Since he still wishes to live, and not die of old age, did he dive down in the mother stream to reincarnate in another world.

Third world:

Garen reincarnates in a world like ours but whit whitches and vampires (no werewolves though). Here he reincarnated in a normal family and had gotten involved in the war between the good and bad vampires. He also came to know about, the enemy's of the ancient ender civilisation, the void army. After he was done getting a soul seed in this world did he go back to transmigrating. As you can see is there not much to talk about in this arc since Garen himself said that this could world could only be seen a transitional world.

Forth world:

Here he reincarnated in a mediocre boy in the mech civilisation world/universe. This could be said to be the most frustrating arc in this story. This came all about how difficult it is to get potential points and his extremely bad luck because of the world's fate. Now this arc goes about how he become one of the strongest through his living secret technique "the hellfrost peac*ck technique". First of all did he become a mech pilot but through fate, did he become crippled and could he only become an energy mechanist. Then at the end of the arc died he by self-inprisonment.

Progression:

1. Becoming a pilot an getting crippled.
2. Becoming a energy mechanist and trying to get into a sect.
3. Getting rejected from a sect because of bad luck because the examiner didn't like his nonchalance when tried to defend him from berbal attacks.
4. Getting admitted to a low ranked sect and getting a bloodline.
5. Fighting in some void realm and seeing the future of the world. Finding out that his little transgender brother and his friend are in the protagonists of the plot.
6. Conspiring against Chinande and becoming sect master.
7. Becoming the last beacon of the energy machinists when they are being all wiped out.
8. Dying as the crystal king because he self-inprisoned in a indestructible crystal.

Ther are more arcs but it is better for people to read it themselves since the last arc takes every clue together. That arc is the light organisation, and the war between gods and mother stream users.