From Pixiv creator DC Ultra, whose works follow the story of university student Anna Blackthorn, who has taken on the burden of being her planet's hero, Ultra.

Anna is tricked and trapped by her enemies, but faces her biggest threat from being taken over by the "Dark Ultra" within. Gallery contains Trapped and Trapped part 2 (which starts on page 192).

Pixiv - https://www.pixiv.net/en/users/13098329

Vol 1: /g/2808388/797d828c62/
Vol 2: /g/2811481/5f0133ec90/
Vol 3: /g/2813836/4619fdd99c/
Vol 4: /g/2816633/009864d77c/
Vol 5: /g/2819842/169ba1a35f/
Vol 6: /g/2821579/ae17eb1a0b/
Vol 7: /g/2823365/f9493aa82f/
Vol 8: /g/2826339/7713f45593/
Vol 9: /g/2828358/9332a6ca62/
Vol 10: /g/2830505/a875809582/
Vol 11: /g/2833623/0d337bf702/
Vol 12: /g/2842022/485625f82a/
Vol 13: /g/2844131/3d1e4dd5d0/
Vol 14: /g/2869246/6c78f96f35/
Vol 15: /g/2872841/5fbce735d5/
Vol 16: /g/2875264/47578322b9/
Vol 17: /g/2892291/5f7a879b53/
Vol 18: Here