Teardrop Colored Resolution
Following the previous episode, Kisaragi-sensei immediately asked Masaharu for the current month, with Masaharu answering incorrectly. This indicated that Masaharu's memory have been jumbled, as an effect of him being exposed to Figurare magic too much, and it's dire effect would be Masaharu losing his memory of being Yuki-chan, and all that has happened between him and Sumomo after drinking the antidote which would return him to normal. With the last stardrop appearing, Masaharu finally tells Sumomo the truth about him losing his memory. They spent the time on a date while waiting for the stardrop, with Masaharu promising to love Sumomo once again.
Aired 11/09/2007EP 11 - Teardrop Colored Resolution

Nanatsu-iro★Drops
Tsuwabuki is a normal student, though not very social. One day he meets a new transfer student, named Sumomo Akihime, and another girl, both the only members of the gardening club. Tsuwabuki is forced by a teacher to join this club. But then he bumps into a strange guy with dog ears, switching his drink with they guy's by mistake. Drinking it, he is turned in a stuffed animal. The teacher tells him that the only way to turn back to normal is to find the chosen girl and let her catch the seven stardrops. This girl is Sumomo, that accepts to help him, though she's not allowed to know the animal's true identity.
(Source: Anime News Network)