- 2014-09-29 Sherella forms.
- 2015-01-31 Sherella “pre-live” (prototype live) is held at JOKER formation sponsored event, Le Cirque De Minuit, at Osaka (大阪) LIVE HOUSE D'.
Zaidan Houjin DOKUSASAKO (罪団法人ドクササコ)―Sherella members' version of ex-
HISKAREA× SUGAR FORKFULsession band Zaidan Houjin Kurojuuji―appears at king zeebra sponsored Mischievous tour final, Prélude du cauchemar, at Nishikujou (西九条) BRAND NEW.
- 2015-03-02 It is announced that 1st Material Single, Banda della marcia, will be released for free, instead of sold as previously intended.
- 2015-04-01 Ba. Yuki departs due to differences in musical direction.
- 2015-04-17 Sherella holds first official live at their formation sponsored event, Fiction impossible Mad ingranaggi ~Mawaru Haguruma ha Maru de Utauka no you ni~ (Fiction impossible Mad ingranaggi ~廻る歯車はまるで唄うかのように~), at Abeno (阿倍野) RockTown.
- 2015-04-17 Sherella officially begins activity.
- 2015-04-17 Banda della marcia released.
- 2015-07-05 Dr. Sayo departs and retires after their live at HOLIDAY OSAKA due to family reasons.
- 2015-12-01 Kyoukai no Kireta Sekai/Tsuki ni Ikiau released.
- 2016-01-26 Gt. Nayu departs due to differences in band style.