My character, Shizuka is up!

For the veterans, there is a part near the end that summarizes events and changes from the previous seasons.

[@Narcotic Dollie] I suppose Calliope would be Shizuka's upperclassman (ie. senpai) by four years, so they probably know each other to an extent.

[@MyCatGinger] Shizuka isn't Shou's TA anymore due to progression in her academic career.

EDIT: Also, since we are on the topic of names, Shizuka means 'quiet', and Otonashi means 'without sound'.