Attribute X X X
  Cute Cool Passion
Rarity X X X X
  SSR SR R N
High stat X X X X
  Vocal Visual Dance Balanced
Skill Type X X X X X X X X X X
  Perf. Lock* C. Guard Combo Bonus Score Bonus Healer H. Guard Overload All-Round Concen. Skill Boost
Skill Type X X X X X X X X X X
  Focus/Coord. L. Sparkle Encore T. Synergy Tuning Motif Symph. Alternate Refrain Magic
Skill Type X X X X
  Mutual Overdrive T. Spike Dominant
Awakened?   X
  Yes No

(Short link)

Click on an underlined table header to sort the table by that value. Do note that you should apply filters before using the skill-based sorts, as you can't really compare skill effects.
Card VoViDa Skill Effect (sort: time window, % chance, duration, effect val.)
Kimura Natsuki
艶炎小唄
3889 3216 5909
身を焦がす秋嵐 Every 9 seconds: there is a 35..52.5% chance to reduce combo bonus by 20%, but also apply the highest score bonus gained so far with a boost of 70% for 5..7.5 seconds.
Shiomi Syuko
白き御使い
5979 3168 3843
異界からの呼び声 Every 13 seconds: there is a 40..60% chance to boost the score/combo bonus of Cool idols' active skills for 6..9 seconds.
Kobayakawa Sae
深紅の心化粧
5980 3835 3176
錦秋のいろどり Every 4 seconds: there is a 40..60% chance that 6 life will be consumed, then: Perfect/Great notes receive a 20% score bonus, and Nice/Bad notes will not break combo for 2..3 seconds.
Kudo Shinobu
新緑の湯美人
3528 3879 3458
イチオシ湯宿 Every 9 seconds: there is a 35..52.5% chance that you will not lose life for 5..7.5 seconds.