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[New article, ooc apology, heartthrob aⅡ, Mary Sue, the text has no cp, there is an ambiguous plot, some characters are slightly darker in adulthood, which is different from the original work, and there are more private settings. When Mio, a witch from another world, accidentally "borrowed" into Echizen's house, her daily life was completely tied to tennis. Mio looks like an ordinary girl on the outside, but inside she lives a little devil. With her harmless magic (and a little bit of bad taste), Mio quietly plays the dual roles of "accidental spoiler" and "alternative guardian" in the magnificent tennis journey of the young students. She would use a "false voice" to imitate Minister Tezuka and scare Kikumaru to death. She would suddenly break into the locker room and "try on" Ryoma's brand-new official uniform to see him embarrassed. She would stand up for justice when Horioguchi was belittling his opponents without restraint. She would also hand towels and drinks to the seniors who were fighting hard in the pouring rain. However, the ripples of fate don't stop there. A startling glimpse under the blue light of the aquarium made Hyokui's genius Ninzu Yushi fall in love with her at first sight. The loyal and vocal defense on the sidelines won the sincere respect and curiosity of the entire Fudomine team. Behind Tezuka Kunimitsu's calm lenses is a silent appreciation for her sensitivity and determination. The smile in Fuji Shusuke's icy blue eyes always carries a hint of understanding and exploration of her "little secret". As for the Echizen Ryoma who was dragged up to the sky and only had tennis and Fanta in his eyes? Hmm... Teasing him and seeing him look embarrassed and annoyed but helpless, it's definitely Mio's ordinary day. This is a story about protection, growth, a little magic and lots and lots of tennis passion.