Jonah kamijo(16)-reincarnated duelist with a stand deck and system,hates cheaters.
( Abilities)
Stand system(switches parts every week) - a system given to Jonah by a goddess to allow him to get stands and character cards.
Spirit bond- Jonah can communicate with the spirits in the cards and as he bonds with them via using and/or drawing the same card in gacha(one extra card is equal to 1/10th of a percent.)
Dimension hopping- an ability gifted to him by the goddess after the final battle with atem versus yugi,he can enter a portal to go to other yugioh series franchises(except sevens,I hate sevens,vrains is fine)
Hamon-the breathing style used by Johnathan joestar,starts learning Hamon after drawing Lisa Lisa in his free 10+1 gacha.(the free gacha had all the parts with some non canon
Characters)(gets one free 10+1 draw every gacha switch out)
Dio's immortality(immune to the sun)-has an undying body,even their memory capacity is unlimited,gifted by the system after reaching 100% bond with all forms of DIO,including DIO over heaven.
(New abilities may appear in the future.)
(Yandere harem ocs and their abilities (they all got the same ability thanks to their love for Jonah,dimension hopping and dio's immortality without the sunlight weakness.))
Rosaria vertinelli(32)-former Italian don turned dark duelist in duelist kingdom,a rival to kaede shirotobe,fell in love with Jonah after he saves her from falling to her death on a cliff side,will kill those who try to harm Jonah.
Kaede shirotobe(26)-a Japanese actress and gravure idol who gets saved by Jonah after getting kidnapped by traffickers during battle city,falls deeply in love with him when she finds out he doesn't care about her body or her money.
Maria Alcott (16)-childhood friend of Jonah,first met in kindergarten when she was in Japan before moving back to England,reunited with Jonah when she transfers to domino highschool after duelist kingdom,lives with jonah on her father's request,stalker mentality and always tries to get Jonah to stamp marriage documents.
Shizuka kiryuu(22)-female yakuza boss,after tha loss of her father,majima kiryuu,she loses her way until she runs into Jonah after running from a group of harassers,fell in love with the aura Jonah gives off and uses her clan to kill people who try to harm Jonah,works well together with Rosaria.
(I will add characters from different anime's based on suggestions,if they are yanderes or just crazy(if they are evil I'll make them not evil,like if I add junko,she won't try to make people suffer)then I'll most likely add them to the world)