(Warning i don't own the story everything i own is oc. Warning suicide and murder in next few chapter)
Alzaru Sonto was avarge high-school guy who was good at drawing and like manga especially jujutsu kaisen but as every teenager he was depressed after he finished reading his manga he spoke.
"Eh what now i guess im going to commit suicide now i finished my favourite manga*
After saying that Sonto stabbed his neck and pass out but strangle he woke up he felt lot of memorise rush into his brain like in which bad he is now he got reincarnated in jujutsu kaisen as he got information about his curse technique.:
Shadow Manipulation is a curse technique able to pass down generations its basically the udder can control every shadow even ten shadows user shadow and kill their shikigami if thwy are careless but how it works so basically user of the technique can create anything of shadow even a katana.
Sonta after reading that decide to look to his new memories.
"Let's see what do i have in my mind now. "
He is now a 15 year old his name now is Riezuku Sonto (in short il use Sonto only when addressing him in every pov). Sonto spoke. "Eh my curse energy reserve are monstrous my body is almost overflowing with curse energy." he finally stood up as he was walking thru the forest he woke up in some thug aprouched him lucky for Sonto it was night.
Second Pov
Thug "dam I'm really not to find anyone to rob now wait who is the guy there with black hair and black shirt and jeans i guess he is rich he noticed me huh i guess il pull out a gun and do usually method for prrty boys like him." Hands in the aie this a rob-" the thug couldn't even finish as Sonto used his shadow manipulation to cut of thugs head with shadow large shurikan. (second pov end).
Sonto search the thug and spoke : what a annoying guy i guess I got lucky becuse i got 50k yen now anyway i should go to my apartment." as Sonto was going back to his apartment he casually killed grade 3 and 4 curse but he could swear he saw a white hsir behind him but he decided to think that he wss imagine things when Sonto entered his apartment hebimdietly shower changed into black outfit again and go and do 1 km run. " dam even if i was in my past life I could never finish a one km run in 9 minutes." he stretched and go to the public gym snd lifr some weights and done 100 push ups 50 sit ups and 200 pull ups then he got back to his apartment took a shower change and layed down to sleep after a tired day he closed his eyes and let this body finally get needed rest for now till tomorrow "goodnight." he spoke in his mind.