Hirasawa Yui (Toyosaki Aki) - Oh My Giita!! (K-ON!! OST)
Hirasawa Yui (Toyosaki Aki) - Shiawase Hiyori (K-ON!! OST)
Hirasawa Yui (Toyosaki Aki) - Come with Me!! (K-ON!! OST)
K-ON! Yui Hirasawa (CV: Toyosaki Aki) - Guitar ni Kubittake
Aki Toyosaki (Hirasawa Yui) - Gohan wa okazu
Hirasawa Yui (CV: Toyosaki Aki) - "Let's Go" (Yui Ver.) (『レッツゴー』(唯Ver.))
Hirasawa Yui (Toyosaki Aki) - U&I
Hirasawa Yui (Toyosaki Aki) - Cagayake! Girls
Hirasawa Yui (Toyosaki Aki) - Gohan wa Okazu
Hirasawa Yui (Toyosaki Aki) - Shiawase Hiyori Vocal OFF (K-ON!! OST)
Hirasawa Yui ( Toyosaki Aki) - GO! GO! MANIAC
Hirasawa Yui (Toyosaki Aki) - Come with Me!! Vocal OFF (K-ON!! OST)
Hirasawa Yui (Toyosaki Aki) - Oh My Giita!! Vocal OFF (K-ON!! OST)
Hirasawa Yui (CV: Toyosaki Aki) - Guitar ni Kubittake
Hirasawa Yui CV: Toyosaki Aki) - Sunday Siesta(instrumental)
Hirasawa Yui (Toyosaki Aki) - Oh My Gat
Hirasawa Yui (Toyosaki Aki) - U&I
Vo: Hirasawa Yui & Akiyama Mio (Toyosaki Aki & Hikasa Yoko) - Watashi no Koi wa Hotch-kiss (#8「Live!」Mix) Yui & Mio Main Vo.
Sakurakou K-ON Bu [Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi (CV: Toyosaki Aki, Hikasa Youko, Satou Satomi, Kot - Don't say "lazy"
Sakurakou K-ON Bu [Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi, Nakano Azusa (CV: Toyosaki Aki, Hikasa Youko, Sat - Curry Nochi Rice (Yui MainVo.)
Vo: Hirasawa Yui (Toyosaki Aki) / Cho: Akiyama Mio (Hikasa Yoko) - Curry Nochi Rice (#8「Live!」Mix) Yui Main Vo.
Sakurakou K-ON Bu: Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Youko), Tainaka Ritsu (CV: Satou Satomi), Kotobuki T - Let's Go (Yui Mio Ritsu Tsumugi Azusa mix)
Vo: Hirasawa Yui (Toyosaki Aki)/Cho: Akiyama Mio (Hikasa Yoko) - Fuwa Fuwa Time (#12「Live!」Mix) Yui Main Vo.
Vo: Hirasawa Yui (Toyosaki Aki) / Cho: Akiyama Mio (Hikasa Yoko), Tainaka Ritsu (Satou Satomi), Kotobuki Tsumugi (Kotobuki Minak - Fuwa Fuwa Time (Yui Main Vo.)<3
Hirasawa Yui (Toyosaki Aki) – Character Image Song Series Vol. 1: Yui Hirasawa - Giita ni Kubittake
HO-KAGO TEA TIME [Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi, Nakano Azusa (CV: Toyosaki Aki, Hikasa Youko, Sato - GO! GO! MANIAC (Instrumental)
Sakurakou K-ON Bu [Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi (CV: Toyosaki Aki, Hikasa Youko, Satou Satomi, Kot - Fuwafuwa Time
Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi, Nakano Azusa (CV: Toyosaki Aki, Hikasa Youko, Satou Satomi, Kotobuki - Fudepen Ballpen
Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi (CV: Toyosaki Aki, Hikasa Youko, Satou Satomi, Kotobuki Minako) - Fuwafuwa Time
Sakurakou K-ON Bu [Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi (CV: Toyosaki Aki, Hikasa Youko, Satou Satomi, Kot - Happy!? Sorry!!
Sakurakou K-ON Bu: Hirasawa Yui CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Youko), Tainaka Ritsu (CV: Satou Satomi), Kotobuki Ts - Tsubasa wo Kudasai
Toyosaki Aki & Hikasa Youko & Satou Satomi & Kotobuki Minako & Taketatsu Ayana (HTT - Ho-kago tea time. Hirasawa Yui & Akiyama Mio & Tainaka Ritsu & Kotobuki Tsumugi & Nakano Azusa) - Fude Pen (Ballpoint Pen)
Hirasawa Yui (Toyosaki Aki) / Cho: Akiyama Mio (Hikasa Yoko), Tainaka Ritsu (Satou Satomi), Kotobuki Tsumugi (Kotobuki Minak - Fuwa Fuwa Time (OST K-on )
Hirasawa Yui, Akiyama Mio, Tainaka Ritsu, Kotobuki Tsumugi, Nakano Azusa (CV: Toyosaki Aki, Hikasa Youko, Satou Satomi, Kotobuki - Fuwafuwa Time
Hirasawa Yui & Nakano Azusa (Toyosaki Aki & Taketatsu Ayana) – K-ON!! Original Soundtrack Vol. 2 - Fude Pen ~Ball Pen~ (YuiAzu Ver.)
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi) and Kotobuki Tsumugi (CV: Kotobuki Minako) - Don't say "lazy"
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi) and Kotobuki Tsumugi (CV: Kotobuki Minako) - Fuwa Fuwa Jikan (ふわふわ時間)
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi) and Kotobuki Tsumugi (CV: Kotobuki Minako) - Don't say "lazy" (TV SIZE)
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi) and Kotobuki Tsumugi (CV: Kotobuki Minako) - Cagayake!GIRLS
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi) and Kotobuki Tsumugi (CV: Kotobuki Minako) - Tsubasa wo Kudasai (翼をください)
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi), Kotobuki Tsumugi (CV: Kotobuki Minako) and Nakano Azusa (CV: Taketatsu Ayana) - Watashi no Koi wa Hotch Kiss (わたしの恋はホッチキス)
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi) and Kotobuki Tsumugi (CV: Kotobuki Minako) - Cagayake!GIRLS (TV SIZE)
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi), Kotobuki Tsumugi (CV: Kotobuki Minako) and Nakano Azusa (CV: Taketatsu Ayana) - Curry Nochi Rice (カレーのちライス)
Hirasawa Yui (CV: Toyosaki Aki), Akiyama Mio (CV: Hikasa Yoko), Tainaka Ritsu (CV: Sato Satomi), Kotobuki Tsumugi (CV: Kotobuki Minako) and Nakano Azusa (CV: Taketatsu Ayana) - Fude Pen ~Ballpoint Pen~ (ふでペン 〜ボールペン〜)