Hokago Change [2] (Kadokawa Tsubasa Bunko)

[Machine Translation] Manami, Takeru, Wakaba, and Yukinari can transform into animals! Thanks to this, their lives are filled with laughter and trouble, but when an egg that only Manami and the others can see is found at school, the students around them lose consciousness! The school's biggest event, the Sports Festival, is coming up with no solution to the mystery. Takeru's performance in the cheerleading squad, the obstacle relay full of laughter, and the borrower's race, in which he was nominated and was extremely thrilled, all made for a great time! However, a storm suddenly breaks out, threatening to cancel the sports festival! Is it the work of a monster bird that has something to do with the eggs? The four of them face a powerful enemy! Unbeatable action and comedy! The second in the series! From elementary school intermediate level.

まなみ、尊、若葉、行成は動物に変身できる!そのおかげで、笑いもトラブルもたえない生活の中、まなみたちにしか『見えない卵』が学校で見つかり、周りの生徒が意識を失う事件が発生!ナゾが解けないままむかえた学校一のイベント・体育祭。尊の応援団での活躍、爆笑だらけの障害物リレー、指名されて超ドキドキの借り人競走と大もりあがり!ところが、突然嵐が起きて体育祭が中止の危機に!卵に関係する化け鳥のしわざ!?4人は強敵に立ち向かう!!無敵のアクション&コメディ!シリーズ第2弾!小学中級から。