御殿場寮長倒れる！ 親元を離れて暮らす寮生たちにとって、大黒柱たる寮長の不在はまさに生活の危機。だが、そんな時にこそ立ち上がるのが卯花惣輔という男。その家事スキルはまたたくまに寮生たちに安堵をもたらすも、卯花の母性が暴走し、防衛部を目の敵にする生徒會たちですらまとめて飲み込んでしまう。少年たちは浸食してくる母性に抗い親離れするのか？ 流されるがママ受け入れるのか？ 母だけに！
Gotemba Dorm Principal Falls! For the dorm students who live away from their parents, the absence of their breadwinner, the dorm principal, is a real crisis in their lives. But it is at times like these that a man named Ubuka Sousuke steps up. His housekeeping skills bring instant relief to the dorm students, but Ubuka's maternal instincts run wild, swallowing up even the student council members who are hostile towards the Defense Club. Will the boys resist the encroaching maternal instincts and become independent from their parents? Or will they go along with the flow and accept their mother? Only mother can do that!
