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One Monday morning, Salaryman asked what Ai did during the Christmas day, which she initially refuses to answer. Later, she revealed that she 'has taken a step into adulthood', becoming from 'I-chan' to 'J-chan'.
Episodes
1Tawawa on Monday 2A Reliable Yet Clumsy Junior 3Tawawa Sports 4Angel of Blue Monday 5Ai and the Pivotal Check-Up 6The Not-so-invulnerable Junior 7Ai and Her Summer Memory 8Most Effective Sedative 9Ai-chan and the Bakery Uniform 10Ai-chan and the Marathon Battle 11Recalling with Regret How He Completely Missed Seeing Her in Her Adolescence 12Ai-chan and the Stairs to Adulthood