[Spoilers] Explain an Anime Plot Badly

Rurouni Kenshin: a psycho samurai chick is totally broke so she pretend to be a nice person for free food and housing. She eventually save up enough money to gtfo and go kill some people again but her new friends are yandere and follow her all over the country. Fullmetal Alchemist: two boys love the same girl so the shorter one put the taller one's soul inside an inanimate object. Akira: a teenager attempts to destroy the city because he's too small for a motorcycle ride. Spirited Away: a 10 years old girl must come to the rescue of her fat-ass parents. Vocaloid: nothing happen they just sing all the time.