This is Ayu's 1st time hitting #1 on this chart.
RIAJ December Monthly Download Rankings - TOP 10
01 "Together When..." - Hamasaki Ayumi
02 "I Believe" - EXILE
03 "KISS shite" - KOH+
04 "Stay Gold" - Utada Hikaru
05 "Soba ni Iru ne" - Aoyama Teruma feat. SoulJa
06 "I SHOULD BE SO LUCKY" - mihimaru GT
07 "Aoku Yasashiku" - Kobukuro
08 "vs. ~Chikaku to Kairaku no Rasen~" - Masaharu Fukuyama
09 "Lovers Again" - EXILE
10 "Tsubomi" - Kobukuro
...
46 "(don't) Leave me alone" - Hamasaki Ayumi
...
67 "MY ALL" - Hamasaki Ayumi
Full TOP 100
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As of December the certifications for Together When... are as follows:
Chaku-Uta Full (Entire song): Platinum (250k ~ 499k)
Chaku-Uta (Ringtones): 2x Platinum (500k ~ 749k)
Certifications for the month