A lot of people have been asking for a list of all the unique Tier 7 reforms that each clan can get once they form Japan, so here it is.

Ashikaga Shogunate
-10% Advisor Cost
50% Chance of New Heir
+1 Monarch Administrative Skill
-5% All Estates Influence

Oda Shogunate
+1 Leader Siege
10% Morale Damage
+1 Monarch Military Skill
-5% All Estates Influence

Shimazu Shogunate
Samurai get -15% Infantry Cost
+5% All Estates Loyalty Equilibrium
+1 Monarch Administrative Skill
-5% All Estates Influence

Otomo Shogunate
10% Land Fire Damage
+1 Missionaries
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Mori Shogunate
+1 Movement Speed in Fleet
-10% Ship Cost
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Tokugawa Shogunate
+1 Diplomatic Reputation
+20% Spy Network Construction
-10% Stability Cost
+1 Monarch Administrative Skill
-5% All Estates Influence

Uesegi Shogunate
+5% Morale of Armies
-10% Idea Cost
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Date Shogunate
Samurai get -10% Infantry Cost and -5% Shock Damage Received
+10% Shock Damage
+1 Monarch Military Skill
-5% All Estates Influence

Chosokabe Shogunate
-5% Development Cost
10% Manpower Recvoery Speed
+1 Monarch Administrative Skill
-5% All Estates Influence

Takeda Shogunate
-10% Cavalry Cost
15% Cavalry Combat Ability
+1 Monarch Military Skill
-5% All Estates Influence

Ito Shogunate
+1 Yearly Prestige
-10% Aggressive Expansion Impact
+1 Monarch Military Skill
-5% All Estates Influence

Kikuchi Shogunate
+2 Tolerance of Heathen
+2 Tolerance of Heretics
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Shoni Shogunate
Samurai get 5% Morale of Armies and -5% Shock Damage Received
+1 Merchants
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Ouchi Shogunate
25% Global Institution Spread
+1 Max Promoted Cultures
+10% Trade Steering
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Yamana Shogunate
+1 Diplomats
-10% Core Creation Cost
+1 Monarch Diplomatic Skill
-5% All Estates Influence

So Shogunate
+25% Ship Trade Power
+20% Naval Force Limit
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Kono Shogunate
+1 Yearly Naval Tradition
+15% Morale of Navies
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Hosokawa Shogunate
+1 Yearly Legitimacy
10% Land Force Limit Modifier
10% National Manpower Modifier
+1 Monarch Military Skill
-5% All Estates Influence

Amago Shogunate
-1% Yearly Army Tradition Decay
+15% Fort Defense
+1 Monarch Military Skill
-5% All Estates Influence

Hatakayama Shogunate
+1 Land Leader Shock
+1 Tolerance of True Faith
+25% Average Monarch Lifespan
+1 Monarch Administrative Skill
-5% All Estates Influence

Isshiki Shogunate
-5% Development Cost
10% Trade Steering
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Shiba Shogunate
-10% Morale Damage Received
+50% Prestige from Land Battles
+1 Monarch Military Skill
-5% All Estates Influence

Toki Shogunate
Free Force March
+15% Fort Defense
+10% Movement Speed
+1 Monarch Military Skill
-5% All Estates Influence

Tsutsui Shogunate
10% Infantry Combat Ability
-0.03 Monthly War Exhaustion
+1 Monarch Military Skill
-5% All Estates Influence

Kitabatake Shogunate
-5 Years of Separatism
+2 Tolerance of True Faith
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Ogasawara Shogunate
+15% Caravan Power
+0.5 Yearly Army Tradition
+1 Tolerance of True Faith
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Imagawa Shogunate
+10% Trade Efficiency
-20% Unjustified Demands
+10% Improve Relations
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Utsunomiya Shogunate
+5% Land Fire Damage
+1 Diplomats
+1 Monarch Diplomatic Skill
-5% All Estates Influence

Satake Shogunate
+15% Land Force Limit Modifier
+0.5 Yearly Army Tradition
+1 Monarch Military Skill
-5% All Estates Influence

Chiba
Samurai get 10% Morale of Armies
+1 Yearly Prestige
+1 Land Leader Shock
+1 Monarch Military Skill
-5% All Estates Influence

Nanbu Shogunate
-5% Development Cost
+5% Morale of Armies
+1 Monarch Administrative Skill
-5% All Estates Influence

Ando Shogunate
-10% Shock Damage Received
-25% Culture Conversion Cost
+2% Missionary Strength vs. Heathens
+1 Monarch Administrative Skill
-5% All Estates Influence

Ainu Shogunate
+1 Max Promoted Cultures
-10% Land Attrition
+2 Tolerance of Heathens
+1 Monarch Diplomatic Skill

Ryukyu Shogunate
May Raid Coasts
+10% Morale of Navies
-10% Aggressive Expansion Impact
+1 Monarch Diplomatic Skill

Korean Shogunate
Has access to the "Enforce the Hangul Alphabet" and "Revoke the Hangul Alphabet" decisions
The Japanese Gokaido government reform will also apply to the Korean peninsula
15% Global Institution Spread