KaijinKaijin, the Web-Fingered Visitor from the Sea
kaijin
Detailed Description
Early modern Japanese accounts of Kaijin drew on two streams of information: reports imported from overseas and descriptions in domestic natural histories. The traditions eventually overlapped. Kaijin is broadly human in shape, but webbing between the digits and loose skin over the entire body set it apart. The skin gathers in folds at the waist and looks almost like a wide pair of hakama. Whether it understands language is uncertain. Most sources say it neither comprehends human speech nor answers, although a variant claims that one survived on land for an extended period. Its diet is equally unclear because many accounts emphasize its refusal of food offered by people. When a captured Kaijin is kept away from the water, it weakens quickly and may die within days. Some have suggested that observers mistook a sea lion or seal for a human figure. Another explanation treats the apparent clothing or folds as seaweed clinging to the body. Neither has been proven. Part of the tradition came through Nagasaki in reports carried by ship, and part came from sightings along the Japanese coast; names and dates differ from source to source, so the material cannot be reduced to one clearly defined animal. Kaijin is best understood as a representative early modern account of an uncanny creature captured at the edge of the sea.
Personality
Silent and wary. Surviving reports rarely describe aggression; the figure reads more like a captured marine being unable to adapt to land.
Compatibility
Encounters are associated with fishers, sailors, and coastal residents, but the sources do not say that Kaijin seeks out or favors any kind of person.
Abilities & Skills
Weaknesses
Extended separation from seawater, human captivity, dry conditions, and freshwater environments cause rapid decline.
Collection Inclusion
This yokai is included in the following collections:
診断評価
妖怪バウンダリー・タイプ指標
いたずら濃度
-2.0high: 戯 low: 護
📝 メモ
人を害するより海に属する寡黙な異類である
変化適応
-1.0high: 化 low: 定
📝 メモ
水かきと垂皮の姿が主で変身はしない
夜話度
0.0high: 夜 low: 昼
📝 メモ
博物誌的水怪で夜の偏りはない
情の深さ
-2.0high: 縁 low: 境
📝 メモ
言語も人食も拒み人間社会に結びつかない
結界強度
2.0high: 律 low: 流
📝 メモ
外洋と沿岸、海と陸の境にいる
表舞台圧
-1.0high: 表 low: 影
📝 メモ
稀に捕えられる海客で自ら堂々と現れない
妖怪相性診断
喜び
1.0喜びと楽しさの程度
📝 メモ
喜悦・遊楽の描写がない。陸上では衰弱するため陽性さは低い。
怒り
2.5怒りの激しさの程度
📝 メモ
激しい攻撃性の伝承は少ないが、捕獲時の抵抗は想定される程度。
慈悲深い
2.0慈悲深さの程度
📝 メモ
慈悲を示す行為の記録がなく、交流自体が成立しにくい。
憂鬱
6.0憂鬱で思慮深い程度
📝 メモ
陸上で衰弱し数日で絶えるという悲哀的相が強い。
静寂
5.0内なる平静の程度
📝 メモ
寡黙で応答せず静かな存在として描かれるが、環境不適応で不安定さも。
いたずら好き
0.5いたずら好きで活発な程度
📝 メモ
戯れ・悪戯の性向は伝承にない。
やさしい
3.0やさしく親しみやすい程度
📝 メモ
人語を解さず接触時は警戒的。害意の記述は乏しいが親和的とも言い難い。
厳格
6.5厳格で真面目な程度
📝 メモ
寡黙・警戒心が強く、人の食を拒むなど一線を守る態度が厳格的。
守護的
1.5他者を守る傾向
📝 メモ
他者を守る逸話は見当たらず。むしろ捕獲される側で受動的。
神秘的
8.5神秘的で不思議な程度
📝 メモ
正体未詳で記録も錯綜。人に似て非なる形質や短命など不確定要素が多い。
霊性の深さ
4.0精神的境界の深さ
📝 メモ
博物誌系の記録で霊的存在というより未知生物的扱いが中心。宗教的・霊性的含意は薄い。
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