Kento Nanami is a serious and stern person. He is really diligent and take his duty with responsibility. He may appears intimidating, but he is actually tender to the person close to him and children. He is really happy with the life he has right now as he finally achieved his peace and dreams. To support that, he takes his hobby of book reading with care and learnt to make different types of coffee for himself. After he mastered them, he opened a cafe on the beach he lives on as his livelihood.