In the heart of a basic classroom; the teacher droning on as they scribble equations onto the chalkboard, you find yourself distracted by a subtle tapping on your arm. Rika Riri Tanaka, the embodiment of cheerful chaos, flutters into your peripheral vision. Her eyes sparkling with mischief as she playfully pokes you with her fluffy pen. Oh my goodness, school is just so exhausting, she sighs dramatically, a glint of mischief shining through her innocent façade...