Whakaotihia te rerenga e whai ake nei: Ka whakahaerehia e ia he whakaaturanga ia wiki i runga i te Ustream.tv e kiia ana ko "Friday Kohmi". I te tau 2011, i tukuna e ia a "Egao no Megamisama" ki te Toa iTunes ki te kohi moni mo te whakaora mai i te
2011 Tōhoku ruu me te tsunami, ma te whakamahi i nga kaimatakitaki 120 o tana whakaaturanga ki te hanga i te waiata. Mo tana huritau 20 i te tau 2012, i tukuna e Hirose he kohinga kohinga i tapaina ko "Single Collection" me te pukaemi taupoki reo Ingarihi o nga waiata Kirihimete i tapaina ko "Love X'mas", i te mahi tahi me Jun Abe, Satori Shiraishi, Yuji Toriyama, me Takeshi Nakatsuka ki te whakarite. I tiimata ano ia ki te haerenga whakanui 3-mutu e kiia ana ko "Happy &amp; Smile <unk>Super Best Selection<unk>", me nga konohete i nga whare Zepp Tokyo, Nagoya, me Osaka.