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...

HKT48 tops the singles chart with 5th single 12-Byo (12 Seconds) selling over 277,000 copies. Landing at #2 is BUMP OF CHICKEN with double a-side single Hello,world! / Colony selling over 150,000 copies. Both title songs have tie-ups: Hello,world! OP for...