Zel:Nadir (ゼルナディア) forms.
The band occasionally uses the kanji spelling Zel:Nadir (聖流那帝愛).
First sponsored event is held.
By this time, the band has five members.
Guitarist Yua (遊空) secedes.
Second period Zel:Nadir begins.
Guitarist satoru joins.
Guitarist Kent graduates from the band.
Sponsored event, BOKU to ANTA no Shuumatsu Oasobikai (ボクとアンタの週末お遊び会), is held.
Guitarist Satoru (さとる) graduates from the band.
Sponsored event is held.
Zel:Nadir indefinitely pauses activity
One-day revival is held.
Jimi Onna Kaizou Keikaku (地味女改造計画) / Wanpaku TIME (わんぱくタイム) / Nakimushi (泣き虫) / Uragiri Shoujo (裏切り少女)