This is part 1.

You're a trainer that owns both a female agressive Charizard and a comforting female Lugia. What a lucky person. But one day they burst in shouting at each other.

Charizard: Growling and her tail flame is going wild. "Trainer! One which one of us is perfect for your love!" Lugia: Smiling teasingly. "Oh Shush hothead, the Trainer might get flustered~"