Intense interactions that are framed as a "downfall document," a common trope in this genre where a supposedly straight athlete is "tempted".
COAT – 大東 湧梧 -YUGO DAITO- 2 – COAT1818 - 1069boys.net video title coat1818 yugo daito 2 boyfriend full
Based on the keywords in the query, this appears to be a reference to a specific item of clothing worn by actor (often romanized as Daigo Nishihata ) in a Japanese drama or "making-of" video. Intense interactions that are framed as a "downfall