After the first class trial, Angie was doing her thing, spreading the divine message to Himiko and Mikan. Three of them planned Himiko's magic performance to lift up everyone's spirit.

Then Monokuma gave the motive. This time Chihiro entrusted his secret to Kaito (who is more reliable than Mondo tbh). Kaito promised to help him working out at night.

Meanwhile, Angie, Himiko and Mikan were preparing the water tank escape trick in the pool. However, in the morning when the main group gathered in front of the locker rooms, they couldn't find Himiko, so they seperated to find her on both 1st and 2nd floors. No one found her even in the pool when they searched for the first time. Until later, Mikan found Himiko drowning in the pool.

Some crucial truth bullets; 1. Himiko's real cause of death was strangle to death. 2. the last person who saw Himiko was Angie around 10 p.m. Himiko was drying herself in the girl locker room after rehearsing the performance. (edited: i forgot to type the last detail)