Duckette's manga / #Age gap(2)

Miki ,being the eldest son looks after his siblings by working on several part time jobs ever since their police officer father who raised them single-handedly, died in an accident...one of these days when panties started disappearing from their laundries Miki suspects Tsukasa Shinokawa , a stranger who one day barged into their house & proposed to make Miki his bride? But later found out that Tsukasa Shinokawa is a cop who later caught the stalker moreover he is a weird oddball

In a certain country there was a custom where retired warriors who completed their service in the battle field were given the role of "soothers" i.e. to relief the active warriors ..Anton who used to be the greatest warrior was forced to retire due to his injury & now is a soother for the 4th prince ,Julius who is the most talented among his brothers