Hello, Happy World! - Do Re Mi Fa Rondo

Hello, Happy World! - GO! GO! MANIAC

Hello, Happy World! - Happy! Happier! Happiest!

Hello, Happy World! - High Five Adventure

Hello, Happy World! - I Found a Smile~!

Hello, Happy World! - Love! Snow! Really Magic

Hello, Happy World! - Smile X Smile = Hyper Smile Power!

Hello, Happy World! - Smiling & Singing a Song

Hello, Happy World! - Yappy! School Carnival

Hello, Happy World! - ないすみちゅっ! (Nice To Meet Chu!)

Hello, Happy World! - はれやかすこやかぴかりんりん♪ (Sunny Bright Pikarinrin♪)

Hello, Happy World! - 恋は渾沌の隷也 (koi wa chaos no shimobe nari)

Hello, Happy World! - Dragon Night

Hello, Happy World! - Egao No Orchestra!

Hello, Happy World! - Extra Magic Hour

Hello, Happy World! - Goka Gokai Phantom Thief

Hello, Happy World! - Happiness! Happy Magical

Hello, Happy World! - Kimi ga Inakucha!

Hello, Happy World! - Korekara

Hello, Happy World! - Love Trial

Hello, Happy World! - Maware! Setsugetsuka

Hello, Happy World! - Memory Illumination

Hello, Happy World! - N Paka March

Hello, Happy World! - No Poi!

Hello, Happy World! - Ojamajo Carnival!!

Hello, Happy World! - Orange

Hello, Happy World! - POP TEAM EPIC

Hello, Happy World! - Sekai Nobbinobi Treasure!

Hello, Happy World! - Shanghai Honey

Hello, Happy World! - Shin Takarajima

Hello, Happy World! - SHINY DAYS

Hello, Happy World! - Smile Connection!

Hello, Happy World! - Smiling And Connecting!

Hello, Happy World! - Sparkling Festival ☆ With You!

Hello, Happy World! - StaRt

Hello, Happy World! - Sunflower's Promise

Hello, Happy World! - TOMORROW

Hello, Happy World! - Wacha-Mocha-Pettan Koushinkyoku

Hello, Happy World! - We Are!

Hello, Happy World! - Zenryouku Shounen

Hello, Happy World! - いーあるふぁんくらぶ (1, 2 Fanclub)

Hello, Happy World! - うぃーきゃん☆フレフレっ! (We Can☆Hurray!)

Hello, Happy World! - エイリアンエイリアン (Alien Alien)

Hello, Happy World! - シュガーソングとビターステップ (Sugar Song To Bitter Step)

Hello, Happy World! - シルエット (Silhouette)

Hello, Happy World! - スマイルブーケで た〜まや〜 (Cheering for the Smile Bouquet!)

Hello, Happy World! - ハッピーサマーウェディング (Happy Summer Wedding)

Hello, Happy World! - ふわふわ☆ ゆめいろサンドイッチ (Fuwa Fuwa ☆ Dreamy Sandwich)

Hello, Happy World! - ロメオ (Romeo)