By mixing several different magic spells, Watarase Jun is turned into an actual girl and starts to experience an unusual spike in popularity from the guys at school. Due to Jun's transformation, she has more charm than any other normal girl has, which makes all the boys lose their senses and they start chasing after Jun asking for a kiss.

Source: Wikipedia

Note: Bundled with the limited edition of the PS2 game Happiness! De:Lucks.

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Parent story: Happiness!