Free! Iwatobi Swim Club (Haruka Nanase x Rin Okumura / Haruka x Rin) Doujinshi produced by Ultimate Powers! This is the third book in a creative series featuring Haruka and Rin in an AU (alternate Universe) Arabian parody comic! Haruka feels he knows very little about Rin - will he unravel the mysteries that envelop his friend?