So there are gods for little things like that too.

Autumn Children

Touhou Project is both a video game series and an open source fantasy setting with very few official restrictions on fan-made content. Autumn Children was House of Sixten's second story in that setting.

Shizuha is the weakest goddess in Gensokyo, with only the power to change the color of leaves. She is jealous of her sister Minoriko's greater power and prestige. Will a new friend help Shizuha defeat the demon of envy?

Named a Hidden Masterpiece on Pixiv.