Erika

How to Unlock:
Erika is the first unlockable girl in Spiral Clicker. She is unlocked at the start of the game via simply clicking on her portrait.

About Erika:
Erika is described as a "Mysterious Woman with Low Willpower". As such, she is the first girl the Protagonist and Helen set their sights on. Erika is good friends with Crystal.

Unlocks:
Erika has progressive unlocks until level 200, at which point all of her CGs and Costumes will be available. By leveling Erika up, you unlock the Campus Screen, and from there, the rest of the game. At level 250, she can be used in the Auditorium to gain another CG.