Maaya Sakamoto (坂本真綾) updated the details for double a-size single Shiawase ni Tsuite Watashi ga Shitteiru Itsutsu no Hoho / Shikisai - bonuses and preview music video unveiled. Title track Shiawase ni Tsuite Watashi ga Shitteiru Itsutsu no Hoho (幸せについて私が知っている５つの方法) tie-up as opening theme for anime Koufuku Graffiti...

Maaya Sakamoto (坂本真綾) revealed more details for single Shiawase ni Tsuite Watashi ga Shitteiru Itsutsu no Hoho / Shikisai - jacket covers, full track list, and more unveiled. Title track Shiawase ni Tsuite Watashi ga Shitteiru Itsutsu no Hoho (幸せについて私が知っている５つの方法) gets tie-up as opening theme for anime Koufuku ...