Niichi 
Sometimes Even Reality Is a Lie! Volume 4 [EPUB ebook] 

Nanami, once a recluse, has regained her courage thanks to her friendship with Kaoru, who she met through an online game. With this newfound strength, Nanami returns to school, but her timing could not have been worse. She’s out of shape, and Sports Day is just around the corner! Nanami is about to be tested on not just her stamina, but her determination to enjoy high school with Kaoru. Their school life together has just begun, and it’s only one of many events bringing them ever closer!