Ramba uchinyora ndima iyi - Anopa mharidzo yevhiki nevhiki paUstream.tv inonzi "Friday Kohmi". Muna 2011, akaburitsa "Egao no Megamisama" kuTunes Store kuti awane mari yekudzoreredza kubva muna 2011 Tōhoku kudengenyeka uye tsunami
, vachishandisa vateereri 120 vechiratidziro chavo kuti vagadzire rwiyo. Nokuda kwegore rake rechi20 muna 2012, Hirose akabudisa bhuku rekuunganidza rinonzi "Single Collection" uye bhuku reChirungu rinofukidza rwiyo rweKrisimasi rinonzi "Rudo X'mas", kushanda naJun Abe, Satori Shiraishi, Yuji Toriyama, uye Takeshi Nakatsuka kurigadzirisa. Akatangawo rwendo rwemazuva matatu rwekupemberera rwakatumidzwa kuti "Happy &amp; Smile <unk>Super Best Selection<unk>", nemakonzati muZep Tokyo, Nagoya, uye Osaka dzimba.