If you're looking for anime similar to What Happens Inside the Dungeon, you might like these titles.
Amidst the chaos of the times, a new generation of warriors will assert themselves and bare their naked fury in open rebellion! Queen Claudette holds all the cards, however, with her Amazonian ranks ready and waiting to meet the rebels in open combat. But the incredible wits and assets of the dazzling array of daring damsels willing to risk their gorgeous skins and put their lithesome bodies on line against her, might just expose a few unexpected weaknesses in the queen’s support!
Tomoe, Risty, Echidna, Iruma, Ymil, Cattleya and the other busty, scantily-clad warriors are back, and ready to compete in the Queen’s Blade tournament; also joining the fray is angel from heaven Nanael. With no knowledge of who they’ll be called to fight and if they’ll live to tell another day, the girls will have to deal with tentacles, acid-spitting mammaries, plentiful groping and endless exposing situations to jiggle their way to the top of the competition!
Two undercover agents Riko Ikazuchi and her junior partner Noma, who are infiltrating an apartment that is also the hideout of a criminal organization. They pretend to be newlyweds. However, when the culprits do not hear noise from them at night, they get suspicious. In order to convince the culprits that they are a married in couple in love, they start to touch and make some noise... Despite feelings of humiliation and pleasure throughout the undercover investigations, Riko endures it and devotes herself to her justice.