Rikako appears (sings/talks) in the following CD singles.

2016.05.11	Genki Zenkai Day! Day! Day! [CYaRon] (LACM-14481)	Talk
2016.06.08	Strawberry Trapper [Guilty Kiss] (LACM-14483)	Song/Talk
2016.07.20	Aozora Jumping Heart (LACM-14500)	Song
2016.08.03	Kimetayo Hand in Hand (LACM-14521)	Song
2016.08.24	Yume Kataru yori Yume Utaou (LACM-14540)	Song
2016.09.14	Yume de Yozora wo Terashitai (LACM-14522)	Song
2016.11.09	Omoiyo Hitotsu ni nare (LACM-14523)	Song
2016.11.23	Jingle Bell ga Tomaranai (LACM-14560)	Song/Talk
2017.04.05	Happy Party Train (LACM-14591)	Song
2017.06.21	Kowareyasuki (LACM-14603)	Song
2017.08.02	Summer Vacation (LACM-14630)	Song
2017.10.25	Mirai no Bokura ha Shitteruyo (LACM-14680)	Song
2017.11.15	Yuuki ha Dokoni? Kimi no Mune ni! (LACM-14681)	Song
2017.11.29	My Mai Tonight (LACM-14691)	Song
2017.12.20	Awaken the Power (LACM-14692)	Song/Talk
2018.08.01	Thank You Friends (LACM-14800)	Song/Talk
2018.11.24	Marine Border Parasol (LACZ-10009)	Song
2019.01.23	Bokura no Hashittekita Michiha (LACM-14831)	Song
2019.09.25	Mitaiken Horizon (LACM-14880)	Song/Talk
2019.10.30	Kokoro Magic "A to Z" (LACM-14930)	Song
2019.11.13	For... (AZCS-2078)	Song
2019.11.13	For... [CD+DVD] (AZZS-97)	Song
2019.11.20	Up-Date x Please! Ver 1.7.8 (EYCA-12791)	Song
2019.11.20	Up-Date x Please! Ver 2.6.9 (EYCA-12792)	Song
2019.11.20	Up-Date x Please! Ver 3.4.5 (EYCA-12793)	Song
2020.03.31	Curtain Raise [type A] (AZZS-102)	Song
2020.03.31	Curtain Raise [type B] (AZZS-103)	Song
2020.07.22	Fantastic Departure (LACM-14990)	Song/Talk
2021.03.31	Smile Smile Ship Start! [CD+BD] (LACM-24090)	Song/Talk
2021.03.31	Smile Smile Ship Start! [CD+DVD] (LACM-24091)	Song/Talk
2021.09.22	Ku-ru-ku-ru Cruller [CD+BD] (LACM-24170)	Song/Talk
2021.11.03	Live with a Smile! (LACM-24180)	Song
2021.11.24	High Tide Girl (LACM-24209)	Song
2021.11.24	Miracle Stay Tune (LACM-24201)	Song
2021.11.24	Not Alone Not Hitori (LACM-24200)	Song
2021.11.24	Shooting Voice (LACM-24202)	Song
2023.07.26	Genjitsu Mysterium (LACM-24440)	Song
2023.08.02	Kimi no Tame Boku no Tame (LACM-24441)	Song
2023.09.27	Girls (LACM-24446)	Song
2023.09.27	Wonder Sea Breeze (LACM-24447)	Song
2023.10.11	Forever U and I (LACM-24448)	Song
2023.10.11	La La Yuuki no Uta (LACM-24449)	Song
2024.05.29	Deep Blue (LACM-24550)	Song
2024.12.18	Eikyuu Hours [CD only] (LACM-24640)	Song
2024.12.18	Eikyuu Hours [CD+BD] (LACM-34640)	Song