Sona: What kind of powerful people??
Sparda: That will be a surprise. But whatever you see there you need to keep it to yourselves.
Sona: Ok I can agree to that.
Sparda: After school, I will come to pick you up.
Sona: Ok.
After that Sparda got up and went towards the class. After the school ended Akeno was waiting for Sparda and Tia outside their class. Akeno had already told Rias that she is dating Sparda. Rias was slowly growing suspicious of Sparda.
Akeno: Sparda, Tia lets go.
Sparda: We need to pick up Sona and Tsubaki first.
Akeno: Does Sona know about you??
Sparda: Not everything.
Tia: So why did you reveal yourself to her??
Sparda: Well I defeated her in chess and hence we are both in a marriage agreement.
While on the way to SCR Sparda told full details to Tia and Akeno. After reaching SCR Sparda knocked on the door and the door was opened by one of the peerage members of Sona. Sona asked them to wait for a little. After a few minutes, Sona and Tsubaki were ready to leave. Soon all five of them left the school. Seeing them walking together all the boys were cursing Sparda and girls were imagining a lot of scenarios.
Sparda: Akeno where is Shirone??
Akeno: She already went to your home.
Sparda: Oh….
After that, they were walking slowly towards Sparda's home. Sona and Akeno were walking at the behind.
Sona: Akeno have you been to his home before??
Akeno: Yes a lot of times.
They didn't notice Tia coming towards them.
Tia: What are my sisters talking about??
Sona: Noth---Nothing Tiamat-sama.
Akeno: She is just nervous.
Tia: Sona you don't need to add sama just call me Tia.
Sona: Ok Tia.
Soon they reached Sparda's home. Sparda took out a key and entered the house along with the others. They saw that Sparda's house was completely dark. Suddenly all the lights were turned on.
Everyone: Happy Birthday!!!!!
Everyone cheered. Sparda saw that they have prepared a cake and lots of food.
Sparda: Thank you, everyone.
In the room, there was Amy, Susanoo, Tsukuyomi, Azazel, Vali, and Shirone.
After that Amy came near Sparda and led him towards the cake. Sparda cut the cake and drinks were brought in the room by Tia. She was already in her older version. After that Sparda introduced Sona, Tsubaki, Akeno, and Shirone to everyone. Akeno and Shirone that prepared themselves for the shocks they would receive. Sona and Tsubaki's soul was about to leave their body after introducing them to everyone.
Susanoo: Bother in law I have heard from sister that you like muscle cars so I brought something for you.
Susanoo led him towards the garage and there was a black 1970 Plymouth Road Runner. Sparda's eyes were already sparkling. Then Susanoo gave him the keys.
Sparda: Thank you Susanoo I really love it.
Tsukuyomi: My gift is not flashy like my brother I am giving you the ownership of my 5-star restaurant in Kyoto.
He took out an agreement and handed it to Sparda.
Sparda: Thanks a lot brother in law.
Azazel: Here brat take this.
Azazel gave him a PS4 pro gaming console.
Sparda: Thanks a lot Azazel.
Vali: Bro I also got something for you.
Vali gave him a cool black colored analog watch.
Sparda: Thanks a lot bro, I will cherish this. I have also got something for you brother I know you don't care about all this stuff but here take this sword it is a dragon slayer sword you can integrate with your sacred gear. After all, it is also your Birthday so Happy Birthday bro.
Sparda took a dragon slayer sword from GOB and handed it to Vali. Akeno gave him a pendant and Shirone gave him lots of chocolate. Sparda thanked both of them. Sona and Tsubaki were feeling outplaced for not bringing him anything. Sparda again assured them that it was okay them being here is enough for him. After that, they all had dinner together. Sparda was really happy seeing all of them together. After that, all the adults were having drinks.
Akeno kissed Sparda on lips before leaving, she and Shirone left by a magic circle. Seeing them Sona got an idea. Tsubaki prepared a magic circle and Sona came near Sparda and kissed him on the lips. Sparda was shocked that Sona kissed him. Sona got completely red and ran into the magic circle and teleported. After that Susanoo and Tsukuyomi also left. Azazel and Vali were last to leave.
After everyone left Sparda started cleaning the plates. He then took a bath and went to his room. After he entered his room he found something which made his jaw hit the floor. Amy was lying on the bed wearing sexy black lingerie and Tia was also on the bed wearing sexy blue lingerie. Seeing them Sparda gulped really hard.
Amy: We have waited long for this night.
Tia: We give ourselves as your gift, c'mon don't make us wait anymore.
Sparda made a space barrier around the room so that no sound could be heard outside.
Sparda:
Soon moans of pleasure filled the room.
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A/N: I have tried a lot of times to write lemon but it always turns to shit. So sorry guys no lemon.