Delinquent/s Fight/s Time Travel Realistic Fighting Street Fighting Father-Son Relationship Strong Father Sea Armed Combat Violent Character/s Ocean Afro/s Family Grandfather/s Past Plays a Big Role Time Rewind 2000s Dyed Hair Aunt/s Fisherman Father and Son Younger Sister Death 21st Century Death of Loved One/s Small Town Dreadlocks Strong Character/s Unarmed Combat Strong Protagonist Grandmother/s Gang/s Heisei Era Protagonist Strong from the Start High School Gyaru Fishing High School Student/s Friendship Teamwork Violence Blonde-Haired Protagonist Dead Family Member/s Gang Wars Team