[Zaregoto Hituji no Koya (Zaregoto Hituji)] Shiin Monitoring de Tamashii Haisetsu Irekawari [Chinese]

Blowjob (フェラチオ, fellatio) is one of the most common sexual act tags in doujinshi. It covers oral sex performed on male characters. The artistic depiction varies from realistic to stylized, with many artists developing signature techniques for depicting the act. Common visual elements include drool, tongue detail, eye contact, and depth indicators. The tag appears across virtually all genres and is frequently paired with tags like 'ahegao,' 'big breasts,' and 'sole female.'

Twintails (ツインテール) is a hairstyle tag referring to hair tied in two pigtails. This is a popular character design element in anime and manga, often associated with tsundere or energetic characters. The hairstyle has a dedicated following and is used as an aesthetic preference filter. Related hairstyle tags include 'ponytail,' 'short hair,' and 'long hair.'

Masturbation (オナニー, onanii) is a sexual act tag covering solo sexual activity. In doujinshi, this includes both male and female masturbation scenes. The tag covers a range from casual self-pleasure to elaborate scenarios. It frequently appears alongside 'sex toys,' 'ahegao,' and 'sole female.'