Ep. 5: Pengakuan Saki yang terganggu oleh masakan Lala menyebabkan kebingungan cokelat Hari Valentine yang kacau.

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Saki daydreams of Zastin. Her servants, Aya and Rin, help by kidnapping Rito, who is hiding from Lala and her lethal cooking. Aya and Rin demand Rito bring Zastin to school. When Zastin arrives, Saki tries to confess to him but gets interrupted by Lala who has found Rito and attempts to feed him her lunch, causing Rito to run in panic towards Saki, exposing her panties to an embarrassed Zastin. Rito is chased by all four girls while Zastin leaves. Run tries to defeat Lala with an alien skunk that will gas Lala turning her into a child, making her weak. However, the skunk gases Run into a child then escapes and cause chaos at school by gassing everybody into children except Haruna who has to take care of them all. Run tries to catch the skunk and nearly falls off the top of the building. Lala, also a child, rescues Run and catches the skunk, but then accidentally drops Run off the roof anyway. Yui watches everyone prepare for Valentine's Day and decides to make some chocolate for Rito, though she struggles to make it properly. Yui finishes the chocolate but is too nervous to actually give it to Rito, instead of yelling at the terrified and apologetic Rito several times. Watching other girls easily deliver their chocolates to Rito and how happy it makes him, Yui finally gains the confidence to give him her chocolates. (Source: Wikipedia)