Seiya

Seiya is a Pokemon Trainer from Goldenrod City, Johto, and a member of Team Bayleef at Professor Sycamore's Kalos Pokemon Summer Camp!

History
Pokemon Journeys

Seiya met Ash Ketchum in Vermilion City, Kanto, where he challenged him to a Normal Class World Coronation Series battle. Ash's Pikachu managed to defeat Seiya's Meganium, causing Seiya's World Coronation Series ranking to decrease. The two parted ways, after Seiya promised he would beat Ash, the next time they battle.

Pokemon Summer Camp

Seiya learned about Professor Sycamore's Pokemon Summer Camp, shortly after his battle with Ash. In Vermilion City, he saw Ash looking at a poster, outside the Pokemon Center. Seiya later investigated the poster himself, and found it was advertising Professor Sycamore's Pokemon Summer Camp, in Kalos. He decided to attend the Summer Camp, with the hopes of battling strong trainers, including having a rematch with Ash.

When the Summer Camp began, he found himself in a team with Leaf, Bonnie and Clemont. Seiya's hair was complimented by Bonnie, and in return, Seiya complimented Bonnie's confidence in asking Leaf to marry her brother, Clemont. Their team name - Team Bayleef - was suggested by Bonnie, as a name that incorporates parts of all of them: Seiya's Meganium, Leaf's name, and Clemont's and Bonnie's hair colour.

During the Poffins Baking Contest on Day 2, Clemont's invention accidentally exploded, destroying their Poffins. As a result, Seiya made him promise that he wouldn't use inventions in any future events.

During the Fishing Tournament on Day 3, Seiya reaffirmed to Ash that he came to the Summer Camp to battle him, and that he's trying his best to win the Fishing Tournament to make up for his previous loss against Ash. Seiya also brushed off Leaf's concerns about Osanna staring at her throughout the tournament.

In the First-Touch Battle Tournament on Day 4, Leaf and Seiya - Team Bayleef - battled Osanna and Tierno, of Team Performer. Team Bayleef won the battle with ease, after Osanna's Pumpkaboo hid in the shadows for the entire battle.

On Day 5, Seiya spent time with Team Bayleef in their dorm. He explained how he wishes he could beat Ash in yesterday's event, as that's why he came here. Clemont told him about how strong Ash is, and how Seiya should train hard if he wants to beat him. Seiya also finds out from Clemont and Bonnie about Team Greninja, and the special bond between Ash and Serena.

During Day 11, Bonnie told Seiya, and the other members of Team Bayleef, about how Ash and Serena are dating now. Leaf also revealed to them that she has found herself liking someone at the Summer Camp romantically, which took Seiya by surprise.

On Day 14, during the Tug-of-War Tournament, Team Bayleef and Leaf's Blastoise progressed to the finals, where they faced Team Greninja and Ash's Snorlax. Leaf unexpectedly Mega Evolved her Blastoise, which lead to Team Bayleef's easy victory. Seiya watched as Snorlax rampaged over the result.

During Day 16, Seiya and Leaf spent some time together in a field near the Pokemon Summer Camp. Seiya mustered up the courage to ask Leaf about who she likes romantically. He revealed that it has been on his mind for a few days, and that he hopes that Leaf is talking about him, since they get on so well. Seiya offered to take Leaf on a date to Lumiose City. Leaf appreciated Seiya's advances, but revealed to him that she likes what they have as a friendship, as she struggles to make male friends due to past experiences. Although disheartened, Seiya respected Leaf's choice, but told her he still hopes to keep trying. Afterwards, they did some Pokemon training together.

In the Pokemon Battle Royale event on Day 24, Seiya's Meganium was defeated early on, by May's Skitty.

Seiya competed in the Final Pokemon Battle Tournament event, on Day 26. In Round 1, he and Meganium defeated Nikk and his Prinplup. In Round 2, Seiya's Umbreon defeated Diana's Kadabra, giving him the win. In Round 3, Seiya battled Drew in a 3v3 Pokemon Battle, using Meganium, Granbull and Umbreon, which he won. In Round 4, Seiya's opponent was Ash. Seiya used Meganium,Forretress, Granbull and Steelix, but was defeated by Ash, eliminating him from the tournament in the Top 8.

After the final event ended, Seiya helped rescue Leaf and Bonnie from Osanna.

Pokemon
Meganium - Meganium is Seiya's starter Pokemon, and his closest friend. Umbreon - Umbreon is one of Seiya's Pokemon Forretress - Forretress is one of Seiya's Pokemon Granbull - Granbull is one of Seiya's Pokemon. She is nicknamed 'The Jaws of Justice', because of her mouth-based moveset. Steelix - Steelix is one of Seiya's Pokemon.