Successfully complete the game under the indicated difficulty and ending. Then, load your cleared saved game file to access the costume at the options menu.
Bunny Girl (black): Any difficulty with good ending.
Bunny Girl (peach): Any difficulty with good ending.
Bunny Girl (red): Any difficulty with good ending.
Maid (black): Hard difficulty with good ending.
Maid (peach): Hard difficulty with good ending.
Maid (red): Hard difficulty with good ending.
Alternate endings
For the bad ending, get less than sixteen Usagi no Tegami; throw less than 49 enemies; and have a completion time more than three hours.
To get the normal ending, get less thatn sixteen Usagi no Tegami and throw more than 49 enemies. Alternately, collect at least sixteen Usagi no Tegami and throw less than 49 enemies.
To get the good ending, get over fifteen Usagi no Tegami and throw more than 50 enemies.
Voice types
Successfully complete the game under the indicated difficulty and ending. Then, load your cleared saved game file to access the voice type at the options menu.
Aomori voice type: Normal difficulty and normal ending.
Kikokushijo voice type: Easy difficulty with normal ending.
Kyoto voice type: hard difficulty with normal ending.
Okinawa voice type: Normal difficulty with good ending.
Osaka voice type: Easy difficulty with good ending.