Blue Days / Red Switch is the 7th episode of the Infinite Stratos anime's first season.


Houki becomes pressured to win the upcoming inter-class tournament after her attempt to ask Ichika out escalated into a rumor that whoever wins the tournament gets to date him. As Cecilia and Lingyin prepare to spar, Laura appears and goads them into a two-on-one battle, effortlessly countering all their attacks. When she continues to beat them at the risk of their lives, Ichika and Charles step in to rescue them before Chifuyu puts a stop to the battle, declaring it will be settled in the inter-class tournament. It is soon announced that the tournament will be conducted in pairs, with Ichika choosing Charles as his partner. On the day of the inter-class tournament, it is decided via lottery that Houki is to be paired with Laura.

Major Events

  • Laura battle against Cecilia, Lingyin, Ichika and Charles but is interrupted by Chifuyu.
  • Houki is paired with Laura to battle against Ichika and Charles for the Inter-Class Tournament.

Characters (By Order of Appearance)



Quotes will be updated when available.


Trivia will be updated when available.

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