"RPG" - SEKAI NO OWARI
"RPG" is SEKAI NO OWARI's fifth single, it was released on May 1st. It is the theme song for the latest Crayon Shin-chan movie and has sold approximately 98,704 physical copies. It has a consistently steady place near the top of the digital charts since it's release. Skip the first 30 seconds to avoid a disgusting auto tune mess.
"Lesson 1" - E-Girls
"Lesson 1" is E-Girl's first album. It contains all of their previously released singles, one new song and three new versions of past b-sides. It reached number one on the physical album charts selling a total of 114,336 copies and was certified gold. E-Girls is a giant group made up of the four sister groups(Dream, Happiness, Flower and the trainee group Bunny) to popular all-male group EXILE.
"Preserved Roses" - T.M.Revolution X Nana Mizuki
"Preserved Roses" is a collaboration song between pop/rock/anime singer T.M.Revolution and voice acrtess Nana Mizuki. It is the theme song for the anime Kakumei Valvrave. It reached #2 on the Oricon physical single chart and has sold 137,581 copies so far. It has ranked near the top of the digital charts. T.M.Revolution is a pop/rock singer that contributes lots of music to anime. Nana Mizuki is the only real "household name" voice actress. She has a pretty solid music career too.
"Message" - Leo Ieiri
"Messgae" is singer/songwriter Leo Ieiri's fourth single. It is the theme song to the dramam Kakusho. It was released last week charting at #9 on the Oricon physical single charts selling 21,058 coppies. It is #2 on the weekly digital download chart.
"Ninjari Ban Ban" - Kyary Pamyu Pamyu
"Ninjair Ban Ban" is Kyary Pamyu Pamyu's fifth single. It was used in commercials for KIDDI au. It reached #3 on the Oricon physical singles chart selling 49,056 copies overall. It reached #1 on the digital charts and was certified platinum.
"Contrail" - Amuro Namie
"Contrail" is Amuro Namie's new digital single for her upcoming album. It is the theme song for the drama Soratobu Kouhou Shitsu. It is currently #1 on the digital chart.
"Koisuru Kisetsu" - Naoto Inti Raymi
"Koisur Kisetsu" is Naoto Inti Raymi's eleventh single. It was used in the commercial for "Kirin Hyoketsu Drink". It reached #6 on Oricon physical single sales chart selling 12,936 copies. It reached number on on the weekly and monthly digital charts.
"EXILE PRIDE ~Konna Sekai wo Aisuru Tame~" - EXILE
"EXILE PRIDE ~Konna Sekai wo Aisuru Tame~" is EXILE's fourty first single. It reached #1 on the Oricon physical singles chart selling 581,226 copies.
"Saraba, Itoshiki Kanashimi-tachi yo" - Momoiro Clover Z
"Saraba, Itoshiki Kanashimi-tachi yo" is Momoiro Clover Z's eleventh single. It is the theme song for the drama Akumu-chan. It reached #2 on the Oricon physical charts selling 133,681 copies. It charted high on the digital charts.
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Here it is! The J-Pop master post. It contains the most recent & popular J-Pop songs. If you have questions about any J-Pop songs or artists I'll be glad to help you in the comments.