MilkHas Favorite Item

With her Favorite Item, she is a Burst 1 supporter and DPS candidate who deals Burst damage to a single enemy, heals allies and raises healing received, and shares ATK, Critical Damage, and Burst Cooldown support with the squad.
Since many new Burst 1 supporters arrived, she appears less often in main lineups.
Still, her battle-start Burst Cooldown reduction and the extra reduction from Full Charge chains keep rotation fast, so she remains worth fielding if already built or in squads aiming for Water or faster rotation.

In It to Win It grants herself a lasting Burst Skill Cooldown reduction at the start of battle. After that, every 20 seconds it grants the three allies with the highest ATK Increased ATK for 10 seconds.

Sugar Rush grants all allies a lasting Increased Critical Damage only while her HP is 80% or more. When her Full Charge attacks land ten times, all allies get Burst Skill Cooldown reduction.

Victory is Mine deals Burst Skill damage to the single enemy with the highest DEF, grants all allies healing based on damage dealt for 10 seconds, and increases HP recovery received for 10 seconds.

Hit weak points with Full Charge shots.
Sugar Rush's Increased Critical Damage only lasts while her HP is 80% or more, so minimize hits taken.
Filling the ten Full Charge hit condition needs firing tempo. Leave her on auto by default, and if the condition does not build well, only handle aim, Full Charge, and reload patterns manually.

To land Full Charges often, prioritize the Resilience Cube to shorten reload tempo. Support Charge Speed with the Adjutant Cube. If ammo runs short, consider the Wingman Cube as a second choice. If Harmony Cube levels differ a lot, use the higher-level cube before the ranking.

Set Elemental Advantage damage and ATK lines as the baseline. If sniper Full Charges make up a large share, support with Charge Damage and Charge Speed.

Victory is Mine holds both Burst damage and healing, so raise the Burst first. Sugar Rush holds Critical Damage and the Full Charge-linked Burst Cooldown reduction, so raise S2 next. In It to Win It is the gate for Increased ATK and the battle-start Burst Cooldown reduction, so level S1.

She can be used as a Burst 1 supporter and DPS candidate in story, bosses, and Tower. Many new units now compete for the same Burst 1 slot. Her priority in Arena is low.

Her Burst Skill targets the single highest-DEF enemy for damage and heals all allies.
From the start of battle she grants herself Burst Skill Cooldown reduction, helping squad rotation.
When conditions are met, she also supports allies' ATK, Critical Damage, and Burst Cooldown.

Sugar Rush's Increased Critical Damage requires HP at 80% or more.
The ten Full Charge hit condition is hard to fill reliably on auto.
When competition for the same Burst slot heats up, she drops in priority.