Doubt: Moteru Otoko wa Konkatsu Appli ni Uso to Hisomu

An otome game by Voltage Inc. It is currently available in Japanese.

You're a crazy perfectionist who's devised the perfect plan of how your life should go. Everything's up to planifications, but... the date you chose to be proposed to is only 100 days away! Even if you have to get a dating app and find many liars, the perfect man is waiting for you, within a time limit!