In Lost Judgment, approach the side case objective at Seiryo High School 3F during Chapter 4 to trigger a cutscene during which you’ll obtain the side case called Trying the Patience of a Saint. When the cutscene completes, talk to Amasawa in the MRC and agree to help her out. Go through all the dialog options then make your way to the faculty room and speak with Ebisu. Afterwards, a cutscene will trigger. You’ll then need to find the traps set for Ebisu. Press L3 then look on the door to find the chalkboard eraser trap. After the brief cutscene, examine the cushion on the chair. When Ebisu asks, tell him “Not yet” to continue your search for traps. Next, examine the rug under the chair.
When it’s time, chase after Ebisu until a cutscene triggers. Press L3 then examine the chalkboard eraser on the door. Examine the sign showing that it’s the guys bathroom. Specifically look at the side with the corner peeled. Next, speak with Ebisu and tell him that he can proceed into the bathroom. You guys will then end the day by going to look at his flowers. The nasty trio again make their appearance. Defeat the delinquents then defeat Ebisu. He’s difficult with 2 bars of health. He also does this move where he picks you up and throws you down. Be careful of this one as it does a lot of damage! After you defeat him, the trio realize how awesome this teacher is and the case will close.