Post for those who like: 2020, 2girls, ahoge, archimedes' principle, arms up, etc.
Regular 2020
2girls
ahoge
archimedes' principle
arms up
artist name
ass
bare arms
bare legs
barefoot
blue eyes
blue hair
blue skin
blush
bra
breasts
brown hair
buoyancy
buruma
clothed
clothing
educational
english text
eyebrows visible through hair
feet
female
female only
floating
floating hair
gym uniform
hand on ass
hand on head
highres
lisanne waifu
looking at another
looking up
medium breasts
multiple females
multiple girls
no nipples
no toes
nude
one eye closed
open mouth
original
partially submerged
personification
physics
pink bra
science
see-through
see-through clothing
short hair
small breasts
smile
splashing
squatting
suspension
sweat
tears
teeth
text
tiptoes
toes
tongue
underwear
water
water humanoid
watermark
wet
wet clothes