Why is there no KuroKen??? (╯°Д °)╯╧╧ I swear!! if only I have the talent Kuro...

I'm guessing you haven't went through the lists, since I have 25+ dj with this ship.

Here you go:
http://www.mangago.zone/read-manga/haikyu_dj_nyankyu/
http://www.mangago.zone/read-manga/haikyu_dj_cat_out_of_the_bag/
http://www.mangago.zone/read-manga/haikyu_dj_tatoeba/
http://www.mangago.zone/read-manga/haikyu_dj_the_edge_of_glory/
http://www.mangago.zone/read-manga/haikyu_dj_futari_bocchi_no_rule/
http://www.mangago.zone/read-manga/haikyu_dj_kyou_wa_kenka_no_hi/
http://www.mangago.zone/read-manga/haikyu_dj_kokemono_gurashi/
http://www.mangago.zone/read-manga/haikyu_dj_neko_to_ringo/
http://www.mangago.zone/read-manga/haikyu_dj_kozume_kenma_chan_peropero_san_jikan/
http://www.mangago.zone/read-manga/haikyu_dj_mayoi_no_cat_fight/
http://www.mangago.zone/read-manga/haikyu_dj_hanbun_kono_sekai/
http://www.mangago.zone/read-manga/haikyu_dj_kuchibiru_ni_himitsu/
http://www.mangago.zone/read-manga/haikyu_dj_advance/
http://www.mangago.zone/read-manga/haikyu_dj_katsura_komachi_wendy/
http://www.mangago.zone/read-manga/haikyu_dj_apple_pie_tabeyo/
http://www.mangago.zone/read-manga/haikyu_dj_ikareta_baby/
http://www.mangago.zone/read-manga/haikyu_dj_neko_wa_gakushuu_suru/
http://www.mangago.zone/read-manga/haikyu_dj_sailor_pudding_chan/
http://www.mangago.zone/read-manga/haikyu_dj_kanousei_sekai/
http://www.mangago.zone/read-manga/haikyu_dj_koi_kyu/
http://www.mangago.zone/read-manga/haikyu_dj_swallowtail_butterfly/
http://www.mangago.zone/read-manga/haikyu_dj_gasshuku_shiyouyo/
http://www.mangago.zone/read-manga/haikyu_dj_jealous/
http://www.mangago.zone/read-manga/haikyu_dj_nekonekoxconcerto/
http://www.mangago.zone/read-manga/haikyu_dj_39_do_no_neko/
http://www.mangago.zone/read-manga/haikyu_dj_tenohira_no_ue_no_sekai/
http://www.mangago.zone/read-manga/haikyu_dj_mukougawa_no_mukougawa/
http://www.mangago.zone/read-manga/haikyu_dj_futari_bocchi_no_rule/
http://www.mangago.zone/read-manga/haikyuu_dj_the_misfits_theory_of_happiness/
http://www.mangago.zone/read-manga/i_dare_to_choose_you_haikyuu_dj/
http://www.mangago.zone/read-manga/the_boyfriend_of_my_senior_haikyuu_dj/
http://www.mangago.zone/read-manga/haikyuu_dj_a_werecat_story/

omg.

It's not the most favorite ship, but it's in no way an underrated ship since it's quite popular.
Enjoyヾ(❀╹◡╹)ﾉ~