New Year Fest (Frost, Eins, Toni, Edmond, Lied)
The Drama CD special (Vega, Deneb and Altair)
Zodiac Feast (Kanoto, Hinoto, Kanoe)
Wait until the next event (I will focus on the main story until the next event)
School Memories event (Girbert, Sai, Rufen, Iria)
Sweet Panic (Synny (Prologue has the main cast and mentions Rica, Martin, Creto)