This is an idea for a crossover with one piece with multiple one piece characters reimagined into the world of my hero academia try not ot to make One Piece characters overpowered now I'll put my own thoughts on what it should be.
Class 1C
20 Students and quirks.
Name: Monkey D Luffy
Quirk: Mutant Rubber body he is immune to blunt and electric attacks.
Power: 5/5
Speed: 4/5
Technique: 3/5
Intelligence: 1/5
Cooperativeness: 3/5
Name: Roronoa Zoro
Quirk: Transformation Asura he grows two extra heads and set of arms making his already impressive strength increase by Nine.
Power: 5/5
Speed: 2/5
Technique: 5/5
Intelligence: 2/5
Cooperativeness: 1/5
Name: Vinsmoke Sanji
Quirk: Emitter Diablo jambe he can produce a great amount of heat from his legs capable of setting on fire.
Power: 4/5
Speed: 5/5
Technique: 2/5
Intelligence: 4/5
Cooperativeness: 2/5
Name: Nami
Quirk: Emitter atmospheric Manipulation She can basically control the weather to an extent.
Power: 3/5
Speed: 1/5
Technique: 3/5
Intelligence: 5/5
Cooperativeness: 3/5
Name: Ussop
Quirk: Emitter Plant manipulation he can control plants to an extent.
Power: 3/5
Speed: 3/5
Technique: 3/5
Cooperativeness: 4/5
Name Chopper
Quirk: transformation Human he can give himself different forms with human traits he call point's.
Power: 3/5 Heavy point 4/5 Arm point 6/5 Monster point
Speed: 3/5 Walk point 4/5 Jump point
Technique: 2/5
Intelligence: 5/5 Brain point
Cooperativeness: 5/5
Name: Eustass Kidd
Quirk: Emitter magnetism he can pull,repel and control metal that's around him.
Power: 5/5
Speed: 1/5
Technique: 3/5
Intelligence: 3/5
Cooperativeness: 1/5
Name: Trafalgar D water law
Quirk: Emitter Room. He can create a space that he has complete control over though he has limited range and stamina.
Power: 3/5
Speed: 2/5
Technique: 5/5
Intelligence: 5/5
Cooperativeness: 4/5
Name: Bartolomeo
Quirk: Emitter Barrier he can create a seemingly unbreakable barrier with limited size.
Power: 5/5
Speed: 2/5
Technique: 3/5
Intelligence: 2/5
Cooperativeness: 1/5
Name: Cavendish
Quirk: Transformation Bipolar Blitz when he passes out he turns more demonic and becomes as fast as the wind only wanting to kill.
Power: 4/5
Speed: 6/5
Technique: 1/5
Intelligence: 3/5
Cooperativeness: 1/5
Name: Jewelry Bonney
Quirk: Emitter Age manipulation she can change the age of anyone.
Power: 6/5
Speed: 2/5
Technique: 3/5
Intelligence: 1/5
Cooperativeness: 1/5
Name: Diez Drake
Quirk: Transformation T rex transformation
Power: 5/5
Speed: 3/5
Technique: 4/5
Intelligence: 4/5
Cooperativeness: 4/5
Name: Rob Lucci
Quirk: Transformation Leopard transformation.
Power: 4/5
Speed: 5/5
Technique: 5/5
Intelligence: 5/5
Cooperativeness: 3/5
Name: Kaku
Quirk: Transformation Giraffe transformation.
Power: 5/5
Speed: 3/5
Technique: 5/5
Intelligence: 4/5
Cooperativeness: 4/5
Name: Kalifa
Quirk: Emitter Bubble creation and manipulation.
Power: 3/5
Speed: 2/5
Technique: 4/5
Intelligence: 3/5
Cooperativeness: 5/5
Name: Boa Sandersonia
Quirk: Transformation Snake transformation.
Power: 4/5
Speed: 4/5
Technique: 4/5
Intelligence: 2/5
Cooperativeness: 1/5
Name: Smoker
Quirk: Emitter Smoke creation and manipulation.
Power: 4/5
Speed: 4/5
Technique: 5/5
Intelligence: 4/5
Cooperativeness: 3/5
Name: Hina
Quirk: Transformation the ability to transform any part of her body into strong metallic restraints.
Power: 3/5
Speed: 3/5
Technique: 3/5
Intelligence: 3/5
Cooperativeness: 3/5
Name: Charlotte Pudding
Quirk: Emitter Memory mmanipulatio
Power: 1/5
Speed: 1/5
Technique: 3/5
Intelligence: 4/5
Cooperativeness: 3/5
Name: Coby
Quirk: Transformation Better self he can transform into a better stronger,faster version of himself.
Power: 1/5 inactive 4/5 active
Speed: 1/5 inactive 4/5 active
Technique: 3/5
Intelligence: 3/5
Cooperativeness: 5/5
6 teachers quirks and their roles.
Name: Nico Robin
Quirk: Emitter limb blossom she can summon her limbs on any surface.
Power: 2/5
Speed: 5/5 reaction
Technique: 5/5
Intelligence: 6/5
Cooperativeness: 4/5
Role: Modern literature teacher.
Name: Monkey D Garp
Quirk: Mutant super strength and speed.
Power: 6/5
Speed: 6/5
Technique: 5/5
Intelligence: 2/5
Cooperativeness: 4/5
Role: Foundational Hero studies teacher.
Name: Sakazuki
Quirk: Emitter Magma creation and mmanipulation
Power: 6/5
Speed: 5/5
Technique: 4/5
Intelligence: 4/5
Cooperativeness: 1/5
Role: Homeroom teacher.
Name: Franky
Quirk: Transformation Modifiable body he can permanently alter his body without any negative repercussion.
Power: 4/5
Speed: 2/5
Technique: 3/5
Intelligence: 6/5
Cooperativeness: 4/5
Role: English Teacher.
Name: Tsuru
Quirk: Emitter Wash
Power: 3/5
Speed: 4/5
Technique: 5/5
Intelligence: 6/5
Cooperativeness: 6/5
Role: Modern Hero art history teacher.
Name: Brooks
Quirk: ? Resurrection he had the ability to come back to life after he died.
Power: 2/5
Speed: 6/5
Technique: 4/5
Intelligence: 3/5
Cooperativeness: 5/5
Role: Mathematics teacher