"jιɴ, ѕтop ɢlαrιɴɢ αт тнe вoyѕ!" Jin Amamiya is so protective of his older sister since it has been only those two as long as they can remember in their big mansion. Of course there are butlers and maids. Even if someone looks at his sister with a smile, the toddler would give them a thousand daggers in his brown eyes. What would happen if there are newcomers in the school's daycare where he stays during the day? What would happen if those wolves bear feelings towards his sister? What would happen if Yuna Amamiya did feel a certain connection with one of them? This story tells the story of the daycare children's antics as well as how Jin shields his sister from the boys and how Yuna finds her the one.