(SC2018 Autumn) [CAT GARDEN (Nekotewi)] Tsugai ni Naritai Gelda-chan (Fate/Grand Order)
[Monorino] Tsugai ni Nante Naranai Mon. (PINKERTON) [English] {Hennojin}
[Monorino] Tsugai ni Nante Naranai Mon. (COMIC Megastore Alpha 2015-09) [Chinese]
(C88) [Shiwodou. (Shiwo.)] Tsugai no Oudo (Mahou Shoujo Lyrical Nanoha)
(Dai 5 Kai Hekigai Chousa Haku) [HAKATEN (Curepato)] Omegaverse de Ninshin Shita Eren-chan to Tsugai no Levi-san ga Hitasura Ichaicha Suru Hon (Shingeki no Kyojin)
[Katayama Yuujin] Tsugai Asobi | Mating Game [English]
(C74) [Heta no Yoko Zuki (Dunga)] Tsugai (Bleach)
[Katayama Yuujin] Tsugai Asobi Zenpen | Mating Game - Part One (COMIC Koh 2017-01) [English]
[Katayama Yuujin] Tsugai Asobi Kouhen | Mating Game Part Two (Tsugai Asobi) [English] [Alphya04] [Digital]
Tsugai no Jouken | 交往的條件
