![1boy 1girl akebono_(kancolle) alternate_breast_size bell black_legwear blue_background blush breast_expansion breasts censored cowgirl_position cum cum_in_pussy from_below girl_on_top hair_ornament head_back hetero huge_breasts instant_loss_2koma kantai_collection lactation long_hair mosaic_censoring navel nipples nude open_mouth orgasm overflow penis purple_eyes purple_hair pussy sex side_ponytail simple_background straddling thighhighs tongue tongue_out translation_request vaginal very_long_hair yamaori rating:e score:34 post #2841462](/cdn_image/preview/92/af/92afde540600e06c5580218c055a2107.jpg)
Images themed on the "almost comically instant loss" situations. Often used with mating press and chinpo ni wa katenakatta yo.
Pixiv Encyclopedia said that it started as a personal webcomic series by a certain artist. After that, however, the original webcomics were deleted for some reason. The series name is now used as a general tag on pixiv.