梅娅·S·艾菲梅拉尔

背着与娇小身躯不相称的巨大镰刀，自称死神的那位少女──梅娅·S·艾菲梅拉尔(メア=S=エフェメラル)，似乎和青梅竹马一样喜欢星星， 在这条街上星星看得最清楚的观景台，每当夜幕降临满天星空铺展之时就会出现。

摘自本作简介中该角色的段落

Likes: Hibarigasaki's starry sky Dislikes: First-time partner A mysterious girl who appeared in the lookout where You made a promise with a girl in his past. She calls herself a shinigami who can reap only peoples' nightmares. "Mare S. Ephemeral" is her Shinigami name, and her real name is unknown. She gets annoyed easily and tends to forget names quickly, but is also quite shy when she meets new people.

简介来自 VNDB

外表老成冰山，其实是个爱哭鬼。 超喜欢星星，总是出现在小城的展望台上。 拿着大镰刀自称死神，但据称并不收割人命而收割人的恶梦。 跟洋童年分开了的青梅竹马的样子非常相似。 究竟这里有什么理由呢，又或者是她跟那青梅竹马有什么关系呢，メア她都一直不愿开口。

简介来自 Bangumi