J Soul Brothers tops the singles charts with Summer Madness selling over 194,000 copies. Fictional idol group μ's (Muse) lands at #2 with single SUNNY DAY SONG/?←HEARTBEAT - both songs featured their new anime movie Love Live! The School Idol Movie...

The singles charts are topped by boy idol group Sexy Zone with their 3rd single “Sexy Summer ni Yuki ga Furu” selling a good 85,000 copies. This gives the group their 3rd #1 single! Sexy Zone’s first two singles, “Sexy Zone” (Nov 2011)...