From Mars. Answer, sister / Shō Ishida

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Japanese Literature
Kobunsha Bunko / "Hiro, Marry Me". 響也 Segawa, a high-spec male pioneer of Mars, presents an open proposal to his younger sister Hirono from Mars while the world is watching. The "distant love" broadcast from Mars, in which love is one sidedly conveyed, is given 9 frames per month. One day, 響也, who was caught in a storm while on duty, disappeared on Mars. Hirono and others try to save 響也 from Earth. I will prescribe a 『 cat. A sci-fi love comedy of brother and sister forbidden? presented by Sho ISHIDA who continues to advance in 』!