1boy, 1girl, 2017, blonde_hair, blush, brown_hair, character_name, closed_eyes, coat, collar_x_malice, collared_shirt, green_eyes, happy_birthday, hetero, hoshino_ichika_(collar_x_malice), hug, hug_from_behind, lab_coat, long_hair, looking_at_another, open_mouth, red_coat, shiraishi_kageyuki, shirt, smile, sorata_(usausa), white_shirt