Otaku difficulty...
	Play as various characters...
	Various Bonuses...
	Various Trophies...

Successfully complete the game.

Clear the game once at any route to unlock their models. Their outfits and Sonico's weapon are purchasable in "5days" shop from the very beginning.

Complete the indicated task to unlock the corresponding bonus. If any of the DLC has been installed, you can change character models earlier than by completing the game. To change the models of the male characters (Kaito, Yuto, Pops, Zenya, Sakaguchi and Soga), you must complete all four routes.

Bonus	How to unlock
"The Standard" Character motion accessory	Complete the game.
Akihabara NPC character models	Complete the game with each girl's route.
Anti-Gravity Primer motion accessory	Complete all five character routes.
Berserk Touko model	Complete the Rin Route.
Brainwashed Kati model	Complete the Shion Route.
Change character models	Complete the corresponding route for a characters; for males, complete all the heroine routes.
Change partner's underwear	Complete the game. You must be also be able to change that character's outfit.
Character affection hint option	Complete the game under the Casual or higher difficulty.
Character model size change	Complete the game under the Casual or higher difficulty.
Character Skin Tone Change	Complete the game under the Casual or higher difficulty.
Character Voice Change	Complete the game once under the Gamer difficulty.
I'll Try Higher Tomorrow motion accessory	Complete the game with at least 50% of all sub-missions finished.
Invisible Clothing mode	Complete all five character routes under the Casual or higher difficulty.
Kaito's model and shoes	Complete the Touko Route.
Kati's model, shoes and talisman	Complete the Touko Route.
Master's model and shoes	Complete the Touko Route.
Mind-controlled Kati model	Complete the Shion Route.
Nana's model, shoes and parka (hood down)	Complete the Sister and Nana Route sub-missions.
Ornery Touko model	Complete the Rin Route.
Pops' model and shoes	Complete the Touko Route.
Rin's model, shoes and memento	Complete the Rin Route.
Sakaguchi's model, glasses and shoes	Complete the Shion Route.
Shion Kasugai's model, shoes and amulet	Complete the Shion Route.
Shion's mask, lab coat and disconcerting rosary	Complete the Shion Route.
Shizuku Tokikaze's model, shoes and rune	Complete the Shizuku Route.
Souga's character model and shoes	Complete the game under the Casual or higher difficulty.
Touko Sagisaka's model, shoes and safeguard	Complete the Touko Route.
Transparent clothing mode	Complete all five character routes.
Try Again Tomorrow motion accessory	Complete the game with at least 50% of all Sub-Missions finished.
Walk With Your Head Down motion accessory	Complete the game with 100% of sub-missions finished.
Yuuto's model, glasses and shoes	Complete the Touko Route.
Zenya's character model and shoes	Complete the Rin or Shizuku Routes under the Casual or higher difficulty.

Complete the following tasks to unlock PlayStation 4 trophy rewards.

Trophy	How to unlock
A New Awakening (Bronze)	Gained the ability to wear women's clothing.
Accessorian (Bronze)	Collected 25 different types of accessory.
Ad Enough? (Bronze)	Collected 100 ad flyers.
Advent of the Akiba God (Platinum)	Obtained every trophy.
Anti-Eco-Cycle (Bronze)	Had 300 articles of clothing stripped off.
Beater-Upper (Bronze)	Chained 50 attacks.
Collector of All Things Hidden (Bronze)	Collected 100 pieces of underwear.
Eat This! (Bronze)	Connected 100 hits via counterattack.
El Diablo Fashionisto (Bronze)	Collected 75 different types of upper body clothing.
Fashionista in Training (Bronze)	Collected 25 different types of upper body clothing.
Foot Fetishist (Bronze)	Collected 25 different types of footwear.
Game Otaku (Gold)	Cleared the game on Otaku difficulty.
Gamer (Silver)	Cleared the game on Gamer difficulty.
Headgear Hexpert (Bronze)	Collected 25 different types of headgear.
High King of Undressing (Silver)	Cleared the battle arena with an S rank.
It's Thanks To You That We Won (Bronze)	Emerged victorious against Zenya with a little help.
Just Can't Stop Hitting (Silver)	Chained 200 attacks.
Let It All Hang Out (Silver)	Chain-stripped 12 articles of clothing.
Little Sister Made Me OP (Gold)	Refined any weapon or article of clothing up to 999.
Living Embodiment of Her Happiness (Silver)	Achieved the little sister ending.
Lucky With the Ladies (Bronze)	Executed Unison Strip with all 6 partners.
Master of the Lower Body (Bronze)	Collected 75 different types of lower body clothing.
Master of the Sudden Reversal (Bronze)	Executed Counter Strip 30 times.
Money Monger (Bronze)	Acquired one million yen.
Novice Freedom Fighter (Bronze)	Cleared 10 unique side missions.
On the Level (Bronze)	Achieved level 30.
Over-Anxious Fanboy (Bronze)	Attended Rin's public concert.
Pants Man (Bronze)	Collected 25 different types of lower body clothing.
SHOPPING!!!! (Bronze)	Purchased items at every store.
Stare Into the Light... (Bronze)	Executed 20 finishers.
Stayed the Course (Bronze)	Cleared the game.
Sticking Things On Other Things (Bronze)	Refined a weapon or article of clothing for the first time.
Strip Amateur (Bronze)	Removed 50 articles of clothing.
Strip Specialist (Silver)	Removed 300 articles of clothing.
The Decisive Battle (Bronze)	Defeated Zenya at the battle arena and turned him back into a regular otaku.
The Final Curtain Falls (Gold)	Obtained every ending.
The Next Great Stage (Silver)	Achieved the true end in Shion's route.
The Sun In Her Sky (Silver)	Achieved the true end in Shizuku's route.
The Warmth You Share (Silver)	Achieved the true end in Tohko's route.
Total Image Change (Bronze)	Changed clothes on all parts of the body.
Under There (Bronze)	Collected 25 different types of underwear.
Veteran Freedom Fighter (Bronze)	Cleared 30 unique side missions.
Weapon Enthusiast (Bronze)	Collected 25 different weapon types.
Weapons, Man! (Bronze)	Collected 50 different weapon types.
You're With...Kaito?! (Bronze)	Inferred information about Rin and Daishihon Pharmaceuticals.
Your Idol Alone (Silver)	Achieved the true end in Rin's route.