to work out a way to

devising means to, working out a way to

Used to express surprise or frustration: oh my God; good Lord

the roof of the Kōshien Stadium

someone else's younger sister

an aunt who is older than one's parent

サンチ: centimeter, especially of cannon caliber

one's house

産地: place of production / 山地: mountainous area

三五: fifteen; three and five; alternate for 琵琶 (biwa, “a traditional biwa lute”) / 参伍: mixing together, mixture / 珊瑚: coral / 産後: after childbirth, the postpartum period