22nd Single "Dream on" Will be Released on July 7, 2021. It Will be Used as Uramichi Onii-san ED.

He Will Also Perform OP as His Character Iketeru Onii-chan w. Nana Mizuki (Uta no Onee-chan) Titled "ABC Taisou (ABC体操)", and It Will Also Release on the Same Day.

Source: https://twitter.com/miyanomamoru_PR/status/1382982097611153409Edit (May 16, ( Read more... )

Both Toumei Single (Fate/Grand Order: Shinsei Entaku Ryouiki Camelot 2 - Paladin; Agateram Theme) and STREAMING! Live BD & DVD Will be Released on May 26, 2021.
Source: https://miyanomamoru.com/archives/14945

Edit 1 (April 1, 2021 (Not April Fool)):
( Bunches of More Info. )

Online Live MAMORU MIYANO STUDIO LIVE ~STREAMING!~ Announced for December 12
https://miyanomamoru.com/live/streaming/
Source: https://twitter.com/miyanomamoru_PR/status/1311980495518007296

It was Announced via Ultraman Zero TALKish Online Show That Mamo Will be Performing Theme Song to Ultra Galaxy Fight: Ooinaru Inbou, which Will be Streamed on Ultraman Official YouTube Channel This Winter. New Single "ZERO to INFINITY" Will be Released on December 9, 2020. The Song is Used as

Source
https://miyanomamoru.com/archives/14307
Video
( Read more... )

19th Single Will be Ahiru no Sora ED. The Single CD as Well as Blazing! Live BD & DVD Will be Released on April 22, 2020.

Source: https://miyanomamoru.com/archives/13820

Edit (March 8, 2020): ( Details )

New Single LAST DANCE Will be Released on January 22, 2020. It will be Kyokou Suiri ED ( Read more... )

New Single Has Been Announced. It Will be Uta no☆Prince-sama♪ Maji Love Kingdom Movie Theme Song. Coupling Song Has Already Been Decided, Which is "Boku wa Hero (ぼくはヒーロー)", Which Will be Used as NHK's Minna no Uta, which Airs on February and March.

Source

( More Info. )

Mamo Will Release a Best Album to Commemorate 10 Year Artist Activity!  He Will Also Perform Ending Theme Song to Devils Line.

( Detail )

New Album "THIS LOVE" Will be Released on August 2, 2017.
( Detail Info. )

Trailer for Ajin Part 3 Released and Announced that Mamo's New Song "The Birth" Will be Theme Song for the Movie.  The New Single Release Hasn't Announced Yet.
( Trailer )