Series from 2000
1969 Japan: when Invaders threaten his home, teen Ukiya unlocks a gate and defends it with new power.
Shun hesitates to leave home for Gate Keeper duty, but an Invader attack on his family makes him choose.
Shun and Ruriko protect pianist Reiko from Invaders at her recital, revealing her hidden gate powers.
Shun, Ruriko & Reiko recruit Bancho on a bullet train and use teamwork & a secret weapon to battle Invaders.
Shun and Ruriko recruit Olympic-level Kaoru when Invaders ambush the new Tomei Highway, forcing her decision.
Commander appoints a captain as team unity frays; dorm oddities and vanishings thrust Shun into leadership.
