Den

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

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

Den obtained 'Overachiever'

Den finished the quiz 'Hiragana Quiz あーご' and scored 100%

Den unlocked the drill 'Dakuten Drills: が to ご'

Den completed the lesson 'Hiragana with Dakuten: が to ご'

Den obtained 'Drill Baby Drill'

Den obtained 'Mind Like A Steel Trap'

Den unlocked the drill 'Consonants + Vowels: か to こ'

Den completed the lesson 'Hiragana Consonants and Vowels: か to こ'