Ai

Ai obtained 'Drill Baby Drill'

Ai unlocked the drill 'More Consonant Changes: た to と'

Ai completed the lesson '"T" Sounds: Hiragana from た to と'

Ai obtained 'Cram Session'

Ai obtained 'Mind Like A Steel Trap'

Ai unlocked the drill 'Dakuten Drills Round 2: ざto ぞ and Vocabulary'

Ai completed the lesson 'Dakuten Changes S to Z: Hiragana from ざ to ぞ'

Ai unlocked the drill 'Changing Consonants: さ to そ'

Ai completed the lesson 'Consonants Can Change: Hiragana from さ to そ'

Ai obtained 'Overachiever'