Easy "Normal Bad End Unlocked!...
	Easy "Scientist End Unlocked!"...

Always choose the "Rest" option when available instead of other dialog options.

Have a high rating at the end of the game. To check your progress, pause game play and check the screen with the knowledge and energy bars. Invest all days into studying; and sleeping when the energy bar is low. Visit Kouiji and Youiji or use Gossip a few times per month. The responses in the dialogs will not matter.