A trip to the school pool during P.E. sets off a string of competitions between Aharen and Raido. Can the quiet giant finally score a victory against the tiny enigma?
"Onee-chan"?
أختي"؟"
„Onee-chan“?
¿Hermana?
¿Hermana?
« Frangine » ?
Sorellona?
"Onee-chan"?
Сестрёнка?