![3girls age_difference ahoge bare_shoulders blue_eyes blue_hair blue_sky blush breasts brown_hair bush changing_room eyebrows_visible_through_hair hair_bun idolmaster idolmaster_cinderella_girls large_breasts multicolored_hair multiple_girls naked_towel official_art onsen pink_eyes pink_hair sagisawa_fumika sajou_yukimi sky snow towel tree wet yumemi_riamu rating:q score:13 3girls age_difference ahoge bare_shoulders blue_eyes blue_hair blue_sky blush breasts brown_hair bush changing_room eyebrows_visible_through_hair hair_bun idolmaster idolmaster_cinderella_girls large_breasts multicolored_hair multiple_girls naked_towel official_art onsen pink_eyes pink_hair sagisawa_fumika sajou_yukimi sky snow towel tree wet yumemi_riamu](/cdn_image/preview/12/bd/12bd41897d17680be815672fcb51cddc.jpg)
An onsen (温泉) is a Japanese hot spring. The open-air variety is the kind usually seen in anime, but there are indoor ones as well.
Bathing areas are often dived into women's and men's, although there are unisex exceptions.
The following tags are aliased to this tag: hot_springs, hot_spring, and hotspring (learn more).