1boy, 1other, 2girls, d, ayakashi_triangle, cellphone, eyelashes, greyscale, happy, long_hair, looking_at_viewer, monochrome, multiple_girls, ninja, ninokuru_ponosuke, ninokuru_soga, open_mouth, phone, school_uniform, short_hair, sketch, smartphone, smile, toba_yayoi, tsukioka_lucy, yabuki_kentarou