Mendo Brings Trouble!: Shutaro Mendo, the adolescent heir to the wealthiest corporation in Japan, enrols at Tomobiki High and proceeds to woo every girl (with the notable exception of Lum) in Class 2B with his suave and 'chivalrous' demeanor, much to Ataru's ire.
Constellation is Spinning: After a computer calculates Lum's perfect matchmade partner to be Shutaro instead of Ataru, she employs an interactive horoscope-based 'personality test' to determine the 'more eligible' partner.