Day-care of Dreams (Haikyuu)

The day-care down on fifth st had been there for years, to the point no one even remembered its name. Run by four young males, it was many things. Some said it used to be a chocolate factory, others a toyshop. But everyone agreed it must be haunted in the most wonderful way, because every child who walked through those doors left filled with merriment and belief. Innocence and magic blended in those tiny classrooms at the hand of Suga, Oikawa, Akaashi and Kenma. But when danger threatens the safe haven, both teacher and child alike find themselves graced by the presence of some very handsome detectives indeed...