Wednesday means (preliminary) "report card" time for most Japanese musicians because that's the day rankings for new released singles are published. This week we have quite a number of strong competitors, with Kat-Tun [#1], T.M. RevolutionXMizuki Nana (the OP song for Valvrave the Liberator, currently airing anime) [#2], Otoya's (CV: Terashima Takuma) character song [#4], KyaryPamyuPamyu [#8], KamiYu (ED for Karneval, currently airing anime) [#16] and Shirokuma's character song (CV: Sakurai Takahiro) [#25].
I'm rather surprised that Otoya beat KPP, and I'm very proud and happy that KamiYu and Sakurai made it to the top 30. I didn't screenshot it in, but Masato's character song still stayed within the top 30, dropping down to #21.