[Shizaki Masayuki] Hazuki-kun no Koibito

Anal intercourse is a common sexual act tag in doujinshi. It appears across nearly all genres and demographics, from vanilla romance to extreme fetish content. The artistic depiction ranges from realistic anatomy to highly stylized presentations. This tag frequently co-occurs with tags like 'nakadashi' (internal ejaculation), 'big breasts,' and various body-type tags. Some artists specialize in anal content, developing signature techniques for depicting the act. The tag covers both consensual and non-consensual scenarios depending on accompanying tags.

Tankoubon (単行本) indicates that a gallery is a compiled volume or collected edition. Unlike magazine serialization, tankoubon are standalone books that collect chapters or are complete stories. This tag helps readers identify the format of the work. Tankoubon typically have higher production values and more cohesive narratives than magazine chapters.

Defloration (処女喪失) refers to content involving the loss of virginity. In doujinshi, this often serves as a narrative milestone and is depicted with varying degrees of realism. The tag covers both first-time experiences and the physical aspects of virginity loss. It frequently appears alongside tags like 'sole female,' 'nakadashi,' and various romance or school-themed tags.