Des：Smart people should have already realized that the world is flooded with helpless how-tos. In particular, when it comes to sex, there are so many types of sexual activities. There are quite a few people who have been deceived and feel bitter about it. Actually, I, too, have had an experience of intense regret in the past. but! Finally, the wonderful Book of the Gospels is here! Thats what this [Ikaroi] series is! Ikaroi is an abbreviation for Ikase Royal Master. This is a series in which Ikaroi-kun goes into detail step by step and teaches us the secret techniques of exploiting him. No, dont get me wrong, Ikaroi-kun is by no means a sex expert! Hes a very normal guy, just like us. Therefore, there is not a single trick that can be done without complicated logic or training! Thats why its true that if you watch it, youll definitely get better at sex. Moreover, there is not a single annoying scene of preachy matters or proud boasting! This is the perfect how-to sex weve all been waiting for. Noa Eikawa is an active idol who is more of a man, and Nonoka Sato is also an active idol who is naive and behind the scenes. Both of them have secret worries about not being able to explode in popularity. Yes, as you may have guessed by now, the cause of this problem was their lack of sex appeal, which stemmed from their lack of knowledge of men. Thats when Ikaroi appears. Similarly, this is Mei Uesaka, an ordinary woman. She is a poor girl who has never had an orgasm with her boyfriend. The introduction part is about visiting Ikaroi-kun there. Ikaroi immediately tries out a how-to. Well, Mr. Uesaka finally reaches the grand finale where he not only makes his girlfriends first orgasm, but also blows her first menstrual period (its Hatsushio!)! This is what weve been waiting for for a long time: How to SEX! ! Well, you too will join the Ikaroi from tomorrow! !