the girl you like (Mewtwo-Mega-Y) (F) @ Life Orb  
Ability: Sheer Force  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Naive Nature  
- Psychic  
- Earth Power  
- Bolt Strike  
- Ice Beam  

her brother (Celesteela) (M) @ Leftovers  
Ability: Primordial Sea  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Scald  
- Topsy-Turvy  
- Heal Order  
- Defog  

her boyfriend (Gengar-Mega) (M) @ Spooky Plate  
Ability: Mold Breaker  
EVs: 252 HP / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Timid Nature  
- Tail Glow  
- Judgment  
- Pursuit  
- Secret Sword  

her ex (Groudon) (M) @ Red Orb  
Ability: Misty Surge  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD / 252 Spe  
Lonely Nature  
- Shell Smash  
- V-create  
- Precipice Blades  
- Fleur Cannon  

her father (Giratina) (M) @ Leftovers  
Ability: Prankster  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpA / 252 SpD  
Sassy Nature  
IVs: 0 Atk / 0 Spe  
- Destiny Bond  
- Heal Order  
- Core Enforcer  
- Will-O-Wisp  

you (Chansey) (M) @ Eviolite  
Ability: Fur Coat  
Happiness: 0  
EVs: 252 HP / 252 Atk / 252 Def / 252 SpD  
Relaxed Nature  
IVs: 0 Spe  
- Whirlwind  
- Heal Order  
- Topsy-Turvy  
- U-turn