Serani Poji (セラニポージ) is a Japanese pop group, describing themselves as "made from happiness, miracle, mysterious, cake, strawberry, candy, funny, sweet drink, twinkle-star, perfume, teenage, youth, love, lover, milk tea, cafe au lait...and many many wonderful thing!" Serani Poji was originally created in 1999 to provide songs for the Sega game ROOMMANIA＃203, in which "Serani Poji" is the name of a fictional pop singer. Tomoko Sasaki (ササキトモコ) handles composition, keyboards, and lyrics.