Write an interesting, descriptive and action-packed short story in the form of a lengthy chapter of a fanfic for Elfen Lied, in which NAME_1's little sister NAME_2, who shares NAME_1's black hair and blue eyes,  manages to awaken her powers as a Silpelit-class diclonius when she is being attacked by a jealous NAME_3/Lucy/Nyu over NAME_2's affection for her beloved older brother NAME_1 when NAME_1, NAME_3 and NAME_2 are all young children, and manages to use her underdeveloped but powerful vectors to defend herself from NAME_3's vector attacks, sending the psychotic pink haired and red eyed older girl flying with a telekinetic push. NAME_1, having blacked out from the shock of seeing NAME_3 attempt to kill NAME_2 and NAME_2 subsequently awakening her powers as a diclonius as a result of the unprovoked attack, is unable to remember what really happened that day when questioned by the police and only remembers NAME_3 getting jealous over NAME_2's love for him. NAME_3 is still captured by the Institute's forces and subjected to cruel experiments after the confrontation with NAME_2, but her [NAME_3's] love for NAME_1 is stronger due to NAME_2's survival.  Respond with at most 100 words.
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