Previously-original character created by [[774 (nanashi)]], now serialized into the manga [[Ijiranaide Nagatoro-san]].

She's described as being S-dere (Sデレ), or Sadodere. Frequently torments her senpai/boyfriend, [[Hachiouji Naoto]]. The game 774 made of her lists her under the name "Nagatoro Hayashi". She has a sister named [[Nagatoro Misaki|Misaki]] and a brother named [[Nagatoro Taiga|Taiga]].
長瀞さん 長瀞早瀬