Anne: Miracle Fairy
Wind 
Rocket Launcher 
Supporter 
Burst 2 
Missilis Tier 5 Fairy Dance
■ Affects all Supporter allies. Activates after 3 normal attack(s).
Recover 6.07% of attack damage as HP over 5 sec.
Fairy's Jest
■ Affects all allies. Activates when above 90% HP.
HP Potency ▲ 23.46%.
■ Activates when the last bullet hits the target while having over 90% HP. Affects all enemies.
HP Potency ▼ 78.93% for 10 sec.
Blue Butterfly Slumber
■ Affects 1 random fallen Attacker ally unit(s) randomly.
Resurrect with 99% HP. Activates once per battle.
■ Affects all Attacker allies.
Recovers 38.61% of the caster's final Max HP as HP.
ATK ▲ 77.22% for 10 sec.
Skill recommendations
Solo Raid Usage
This is based on the top 50 players of all NIKKE servers combined. Data is from enikk.app, check their website for a lot more raid data.
Extra notes
By today's standards, a really bad kit that's just underwhelming on most (if not all) PVE content. Invest only if she is your waifu.