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. Vocals for 1999's manamoon were handled by Yukichi (ゆきち), a member of CECIL. Yumi Higashino (東野佑美) then took over as vocalist beginning with 2002's one-room survival.

The group went on hiatus after 2004 but resumed activity in 2009. A new album, MERRY GO ROUND JAILHOUSE, was released March 3, 2010, this time with vocals from Sasaki herself.
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