Bijo Gaku (美女学) was a Hello! Project and UP-FRONT WORKS TV show that replaced Bijo Houdan, including Morning Musume., Berryz Koubou, ℃-ute, Mano Erina and S/mileage, airing on TV Tokyo. While its predecessor Bijo Houdan focused on learning from various well-established female experts through a talk show format, Bijo Gaku focused on doing the same, but through extracurricular activities, and experiencing the activities themselves.
Yorosen! (よろセン!; I am cool teacher, a slang shortening of Yoroshiku sensei!) was a late-night daily Japanese education TV program featuring Hello! Project members as teacher and students. It aired on TV Tokyo from October 6, 2008 to March 27, 2009 (weekdays only) with a running time of about 7 minutes. Yorosen! was the replacement for Berikyuu!, and was later itself replaced by Bijo Houdan. Yorosen! showcased the 3 main groups of Hello! Project: Morning Musume., Berryz Koubou, and ℃-ute. Each episode ended with a segment by Mano Erina.
Haromoni@ is the title of the sequel to the long-running Japanese variety show Hello! Morning, which it replaced starting April 8, 2007, on TV Tokyo and later throughout the country on several other television networks, in High Definition. The show stars Morning Musume members, who incarnate the roles of several different animals working under the rule of the young and mildly despotic King Akachin —whose name derives from the Japanese word for "baby" —ruler of the fictional Kingdom of Haromoni. The final episode of the series aired on September 28, 2008.
光井愛佳 (Mitsui Aika) is a former Japanese singer. She was an 8th generation member of Morning Musume. under Hello! Project. After suffering a leg fracture in 2011, she was unable to keep up with a new dance-oriented Morning Musume., and graduated alongside Niigaki Risa in May 2012. However, she stayed within Hello! Project and was the first Morning Musume. graduate to do so since 2007. She was listed as a soloist, but she never released any music due to her going on hiatus twice since 2013 to study English in New Zealand. While on her second hiatus in November 2018, Mitsui decided to graduate from Hello! Project and retire from the entertainment industry.