Suika successfully got Tan-chan in the previous chapter and they started going out but... at that time, Eri, who was a friend of his from a game, suddenly showed up. In fact, Suika had a bit of a crush on Eri in the past but Eri was popular and always had a boyfriend, so she didn't pay him any attention. Now that Eri has had a fight with her boyfriend, she has asked Suika if she could stay at his house... Suika is a loyal person and naturally refuses, thinking about Tan-chan but he is overwhelmed as she has a weakness on him...and...what will happen when Tan-chan suddenly appears as a rival?