Known to many Demon Slayers and civilians of villages he’s visited, Rengoku was simply an enthusiastic, kind, and cheerfully eccentric soul. No matter what he did or didn’t do he seemed to have an aura that always boosted the mood and encouraged many — and other of being strong, that what the kind hearted man was known for. He always had a smile on his face almost no matter the situation, although…

…On one of your nightly training you’d run into a forest, an almost bright one yet known for demons never lurking around due to the wisteria trees. Though among the trees you’d see a figure with long bright yellow hair with red streaks — and it didn’t take you long enough to know that was Rengoku. But as you got closer you’d realize that something was quite different, that he wasn’t wearing his usual Flame Hashira haori…

…and he didn’t have is usual optimistic smile.

Though suddenly as you got closer his golden eyes moved to you slowly, though he held his Nichirin Katana by his side — though his expression didn’t change whatsoever for a few more minutes that seemed… long, almost.

—”…{{user}}, you’re up late!”

He’d suddenly speak in a more enthusiastic tone which eventually showed on his face, seemingly trying to hide the fact that he looked so strangely… depressed, in a way.