Jotaro Syndrome

Jotaro Syndrome is when an anime or Japanese character is stated as being young(primarily around 17)and goes to school but looks too out of age and doesn't resemble the average kid of his age

An infectious Tendency, Jotaro syndrome is characterized by the following symptoms:
1. Constantly wearing a school uniform until it merges with your body shape (And you can't tell where the hair ends and the hat begins)
2. Skipping school to go on a field trip to Egypt with your Extremely masculine Grandfather,his fortune-teller friend and a fellow high-schooler, also picking up a funny swordsman along the way.
3. Going on said trip to Egypt to slay a 100-year-old immortal vampire with a god complex named "DIO"
4. Somehow ending up in a crash in any air-related vehicle, even when the pilot has previously fought Aztec Fitness Gods
5. Perfectly locating and extracting vampire brain leeches without any prior surgical experience via Punching Ghost
6. Yelling "ORA ORA ORA" whenever you initiate physical contact with an enemy via the fists or Punching Ghost

The first symptoms to appear are always:

1. A bad attitude towards women
2. Having a semi- or non-present father figure
3. Being aloof and black-haired
4. Watching every season of JoJo's Bizarre Adventure without being a filthy part-skipper
5.Repeatedly muttering "Yare Yare Daze" if anything even remotely stresses you out
6. Calling your mum a bitch
7. Voluntarily going to prison and refusing to leave, even when the guards tell you that you are free to go.
8 Having a secret love of Dolphins and Marine Biology