I might suggest a better arm than Misside AM, Handy Bazooka alone does fine. High Boost Alpha tunes should be converted to Beta tunes considering your str is already negative.
【Robot Name】
Lily Rain
【Parts】
BD: Lily Rain BD
: Auto Gun Bit(default)
: LazFlamme LG [High Boost Beta] [High Tech Alpha] [High Tech Alpha]
: Maril March BS [Boost] [High Tech Alpha] [High Tech Alpha]
: Lily Rain HD
: Kinder Hat
: Ace of Hearts Earrings [High Tech Alpha]
: Maril March BS [High Tech Alpha] [High Tech Alpha] [High Tech Alpha]
: Tentrion AM [High Boost Beta] [High Boost Beta] [High Tech Alpha]
: Handy Bazooka [Rapid] [Rapid] [Rapid]
: Tentrion AM [High Boost Beta] [High Boost Beta] [High Power Alpha]
: Handy Bazooka [Rapid] [Rapid] [Rapid]
【Config Check】
COST: OK
BS: OK
LG: OK
【Stats】
TYPE: 砲
SIZE: S
COST: 1160
CAPA: 1160
HP: 362
STR: -8
TEC: 34
WLK: 1
FLY: 34
TGH: 16
LEVEL: 10
【Cartridges】
Capacity +60×6
Beam Guard
Float Dash
Quick Boost
Moving Burst
【必要素材】
Hidora Cosmos×1
Fudara Cosmos×15
Ones Cosmos×6
Red Chip×115
Blue Chip×10
Yellow Chip×25
Power Amp×9
Stabilizer×81
Turbo Charger×30
Rapid Crystal×30
Drum Magazine×15
Shock Graphite×7
Guide Circuit×63
This is what could be easily possible on her; ofcourse if you dont have the slots for this build, TEC would be the first to go.