MHA Timeline

1920-1970

AFO is 10 years old and Kyudai Garaki is 9 years old. 1920.
1926 Kyudai is 15 Tomura Shigaraki aka AFO is 16.
They meet Gregory Todoroki. 17 and end up living with him at his dad's mansion and train with him. 1926.
1927. They meet Merlin. Form a poly relationship. AFO falls preggers with Vincent Todoroki. Merlin gets jealous and leaves on bad terms and steals paperwork meant for the first Semtient Nomu. Later Kurogiri. Later on Greg and Tomura get married. Monogamous relationship.
1930. Merlin creates Sentient Nomu Sotaro (Shigaraki) for revenge on Tomura for rejecting him. But he becomes soft and changed his mind. He raises the child on his own. Vincent is 3.
1934. Vincent is 7 and Sotaro is 4. Merlin kidnaps Vincent and Tomura. Sotaro follows and watches the exchange between Merlin and Greg. Both Mafia men who love the same man. But don't kill each other because of Tomura. Because they love him.
1944 all is well, everyone is progressing in their goals, there is peace- Vincent is 17 and meets Rachel 16 in the mafia and falls in love with her and they become friends and start dating.
10 years
1954 Vincent 27 Rachel 26 have their daughter Ciel.
11 years.
1965 HELL BREAKS LOOSE Merlin wants revenge after all. Murders 38 year old Vincent and 37 year old Rachel and 11 year old Ciel in a tnt explosion of their mansion. Vincent's last breath to his parents is to save his daughter at any cost. 35 year old Sotaro witnesses their deaths, but never tells his father. He's all he's ever known. AFO saves his granddaughter, but she's stuck in a vegetative state in an activation nomu chamber until 2035. Making her 81 years old technically, but trapped as an 11 year old/toddler mentally until she can be fully healed. Greg makes time machine.
1970 Greg has tried to use the time machine he created five years ago to bring back his son and daughter in law. He almost dies by his white flames. Tomura 60 can't handle it anymore. So he files for divorce. But finds out Greg 61 slept with his coworker Rosella. 56 born in 1914- (just go with it) and she fell pregnant with their son Edmund Todoroki. Divorce finalized later that year due to infidelity, but Tomura just wanted to be done with it and nothing more. He wasn't a vindictive ex. At all. Not like Merlin was.