Can Ci Pin (Danmei Novel) Genre: Action, Sci-Fi, Mecha, Drama, Romance, Shounen-ai https://www.novelupdates.com/series/imperfections/
both of them are unknown sexuality/preference. One is a scientist very curious of everything. The other is, romance is not in their book, has no interest with human or anything other than doing his job.
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Koi wa Nanairo Shichihenge!?