back backboob breasts caustics cloud cloudy_sky commentary_request day drill_hair from_behind green_kimono hand_to_own_mouth head_fins highres japanese_clothes kimono kimono_pull large_breasts looking_past_viewer looking_to_the_side mermaid monster_girl rock shiny shiny_hair short_hair shounen_(hogehoge) sideboob sitting sitting_on_rock sky solo sunlight touhou wakasagihime water wet