Ep. 3: Tsubael impersonates Hagino's parent to facilitate her return to Blue while Mari faces domestic chaos.

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An Arume ship investigates Hagino's vessel, prompting Tsubael to pose as her parent so she can return to Blue. Meanwhile, at school, Yuuko Sugawara, Mari's homeroom teacher, sparks a scandal after receiving a ride from the headmaster and endures student catcalls. During lessons, Mari daydreams about Hagino. Upon returning to the dorm with Michiko, Mari must assist with the monthly student cooking session, where her poor skills lead to a disaster. As Mari goes to bed thinking of Hagino, Hagino reminisces in Blue before surfacing to meet her superior's vessel.