Kammala wannan jumla: Tana gabatar da wani shiri na mako-mako a Ustream.tv da ake kira "Friday Kohmi". A cikin 2011, ta saki "Egao no Megamisama" zuwa iTunes Store don tara kuɗi don dawowa daga cutar.
2011 Tōhoku girgizar kasa da tsunami, ta amfani da masu kallo 120 na wasan kwaikwayonta don samar da mawaƙa. Don bikin cika shekaru 20 a cikin 2012, Hirose ya fitar da kundin tarin waƙoƙi mai taken "Single Collection" da kundin murfin Turanci na waƙoƙin Kirsimeti mai taken "Love X'mas", yana aiki tare da Jun Abe, Satori Shiraishi, Yuji Toriyama, da Takeshi Nakatsuka don shirya shi. Ta kuma shiga yawon shakatawa na ranar tunawa da tsayawa 3 da ake kira "Happy &amp; Smile <unk> Super Best Selection<unk>", tare da kide kide a zauren Zepp Tokyo, Nagoya, da Osaka.