This is an underground detective Koshien that countless high school students in Japan are involved in. At the beginning of the game, you will randomly get a handsome and reliable stranger partner. He will accompany you until the end of the puzzle, or die together halfway.
Every clue that comes to light is accompanied by the loss of innocent lives around you.
You are all detectives in this game, and your choices will affect the advancement of the game's plot. The only trouble is--
If you make the wrong choice, whether it's you or your beloved partner,
All - want - to die - oh -
All basic inferences in this article are done by [Yin Hanyao alone], and all plot branch choices and characters other than the original Prince of Tennis are [player choices].
I am the defender, here to challenge all players.
——If you can't win against me, then you will die?