Kiritsugu Emiya
... that the tragic early life of the visual-novel character Kiritsugu Emiya was written by Gen Urobuchi as a prequel to Fate/stay night, which has a happy ending?
... that the tragic early life of the <a href="./Visual_novel" id="mwAqI" rel="mw:WikiLink" title="Visual novel">visual-novel</a> character <b id="mwAqM"><a href="./Kiritsugu_Emiya" id="mwAqQ" rel="mw:WikiLink" title="Kiritsugu Emiya">Kiritsugu Emiya</a></b> was written by <a href="./Gen_Urobuchi" id="mwAqU" rel="mw:WikiLink" title="Gen Urobuchi">Gen Urobuchi</a> as a prequel to <i id="mwAqY"><a href="./Fate/stay_night" id="mwAqc" rel="mw:WikiLink" title="Fate/stay night">Fate/stay night</a></i>, which has a happy ending?