After Wu Tomoki is retired, Josuke and the others look through the records of the Locacaca research facility hidden in the hospital, in search of a mysterious hospital director with no photo. Meanwhile, with seven days until the harvest of the New Locacaca fruit, an unexpected situation takes place at Tsurugi's school.
Apparently, European countries like France or Italy don't use the letter H very often. They wouldn't really be able to pronounce "Hirohiko" correctly. It'd sound something like "Iroiko" or "Eroiko." Eroi ko (erotic boy)? "Erotic boy Araki." Well, that's not too bad. I'm satisfied. Actually... I'm starting to think it's pretty cool.