14-year-old Rion is a budding adventurer. But the skill he has acquired is a useless one, called 『Alarm』. It can only be used to wake people up. Because of that, Rion is ostracized and bullied at the guild.
But in order to cure his sister’s illness, he uses his skill to make a living as a “wake-up caller”, who wakes people up in the morning. One day, he finally used…