3girls, o, alternate_costume, artist_name, belt, beret, black_hair, black_jacket, black_pants, blue_hair, book, chair, chalkboard, classroom, copyright_name, copyright_notice, desk, fujiwara_no_mokou, fujiwara_no_mokou_(fiery_and_solitary_student), glasses, hat, holding, holding_book, holding_pointer, houraisan_kaguya, houraisan_kaguya_(brilliant_sheltered_beauty), indoors, jacket, kamishirasawa_keine, kamishirasawa_keine_(wise_and_intelligent_trainee_teacher), long_hair, love_letter, multiple_girls, official_alternate_costume, pants, pink_shirt, pointer, purple_eyes, purple_jacket, red_belt, red_eyes, red_headwear, red_shirt, roma_yukue, shirt, smile, touhou, touhou_lost_word, very_long_hair, white_hair, window