Oshiri Marumie!: Fundoshikko no Kuikomi wa Itazura Shi Houdai

"No, everyone's watching...!" Teasing the nether regions of a girl in loincloth, he starts to fondle her bare breasts! Inside the Shishimai lion was an erotic space!
(Source: Coolmic)
Note: Simultaneously released in long-strip and traditional formats, with 18 episodes and 6 chapters respectively.