Story
One day, a mysterious creature calling itself "Usapyon" appears in the room of Soma, a college student leading an empty life. This being, which looks human but isn't, calls Soma "older brother" and forces him to play video games with it... Before he knows it, his room is filled with pink things!? Involving those around them, something that had been stagnant begins to move. A strange and cute cohabitation comedy!
Synopsis via AniList (English).
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