Shu Shikure, 17 years old NEET is a brother of twins, Amano Shikure and Amane Shikure. He is a overprotective big brother that love and care about his sisters more than everything. On a certain night, magic circle appears in his sisters room. His sisters were supposed to get summoned to another world, but Shu's Onii-chan instinct couldn't allow that to happen. So he instead was summoned when he jumped in and pushed his sisters away.

Since he wasn't the targeted Hero, God didn't go easy on him. Watch how he adventures the new world and resist God's trick and trap to get back to his dear sisters.