star_(sky) 3 starry_sky 3 moon 2 solo 2 lamppost 2 night 2 scenery 2 sky 2 snow 2 tree 2 1boy 1 black_hair 1 crossover 1 drawfag 1 english 1 headband 1 hoshino_hachirota 1 male 1 planetes 1 portal 1 portal_2 1 robot 1 space 1 space_core 1 space_craft 1