Character #1 – Iori Fuyusaka
This character can be obtained right from the start after you complete the Juro Kurabe prologue.
Character #2 – Juro Kurabe
This is another character that is obtained right from the beginning of the game. All you have to do is to complete the first tutorial in the game.
Character #3 – Natsuno Minami
This character requires you to complete yet another tutorial, which is the fourth wave in Beginning of The End.
Character #4 – Takatoshi Hideyama
This character requires you to complete another tutorial, which is the third wave in Beginning of The End.
Character #5 – Ei Sekigahara
The fifth character is unlocked with another battle tutorial in the sixth wave.
Character #6 – Shu Amiguchi
The final character you can unlock at the beginning of the End is by completing the fifth wave battle tutorial.
Character #7 – Yuki Takamiya
To unlock this character, you have to complete the Heading to Sakura High School and Flashback: Battle in 1945 while playing Keitaro. Now head to the Kaede Riverbed and then choose the Secret Sentinel Building with the 1945 keyword. This will unlock the Site of the Factory where you need to go.
In this location, you will meet a small girl NPC who will give you the Chihiro keyword. Make your way to the Sakura High School and look for Natusuno Minami in the school. After talking to Natsuno, Yuku Takamiya will unlock and will join the roster.
Character #8 – Keitaro Miura
This character can be unlocked when you play as Natsuno Minami and then complete the Transcending Space and Time. Following that you need to head over to complete the Interviews at Sakura High School and the Shift from Tokisaka Shrine. Following this method of playing as Natsuno and heading this specific path will unlock Keitaro.
Character #9 – Ryoko Shinonome
To unlock this character you need to play as Fuyusaka until just over half of this story. Complete the Opening a Door to the Dream and then the Sumire Bridge, Dream of Shooting Juro to unlock Ryoko Shinonome
Character #10 – Renya Goto
To unlock this character you need to play as Fuyusaka until almost half of this story. You need to specifically reach the Iori Who Leapt Through Time and complete it. This should be followed by complete the Shipping District, After School 2, and you will unlock Renya Goto.
Character #11 – Tomi Kisaragi
To unlock this character, you need to play as Yuki Takamiya and reach the Girl with Red Glasses. From there you need to choose the Interviews at Sakura High School and then complete the Girl’s Bathroom investigation. Following this path, you will unlock Tomi Kisaragi
Character #12 – Nenji Ogata
Nenji Ogata can be unlocked when you play as Megumi Yakushiji, and reach the I’m a Liar path. From there you need to complete Kurabe House, Dinner Prep 3.
Character #13 – Megumi Yakushiji
This character is unlocked after you complete the fourth wave battle tutorial.